Mesa/Boogie Three Channel Dual & Triple Rectifier Solo... User manual

Owner’s Manual

Hello from the Tone Farm
...You, smart player and intuitive human, have put your trust in us to be your amplifier
company. This is something we do not take lightly. By choosing this instrument to be a
part of your musical voice, you have become part of the Mesa family...WELCOME!
Our goal is to never let you down. Your reward is that you are the new owner of an amp,
bred of fine all tube heritage...benefiting from the many pioneering and patented Mesa
circuits that led to the refinement of your new model. We feel confident, this amp will
inspire many hours of musical satisfaction and lasting enjoyment. It was built with you in
mind, by players who know the value of a fine musical instrument and the commitment it
takes to make great music. The same commitment to quality, value and support we make
to you...our new friend.

READ AND FOLLOW INSTRUCTIONS OF PROPER USAGE.
IMPORTANT SAFETY INSTRUCTIONS
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet,
consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally,
or has been dropped.
To insure proper ventilation always make sure there is at minimum four inches (101.6mm) of space behind the rear of the apparatus. The ventilation should not
be impeded by covering the ventilation openings with items, such as newspapers, tablecloths, curtains, etc. Do not impede ventilation by placing objects on top
of the apparatus which extend past the rear edge of its cabinet.
No naked flame sources, such as lighted candles, should be placed on the apparatus.
The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
The AC plug is the mains disconnect. The plug should remain accessible after installation.
WARNING: EU: permission from the Supply Authority is needed before connection.
WARNING: Always make sure proper load is connected before operating the amplifier. Failure to do so could pose a shock hazard and may result in damage
to the amplifier.
Do not expose amplifier to direct sunlight or extremely high temperatures.
Always insure the amplifier is properly grounded. Always unplug AC power cord before changing fuse, tubes or removing chassis. Use only same type and
rating when replacing fuse.
Avoid direct contact with heated tubes. Keep amplifier away from children.
To avoid damaging your speakers and other playback equipment, turn off the power of all related equipment before making the connections.
Do not use excessive force when handling buttons, switches and controls. Do not use solvents such as benzene or paint thinner to clean the unit.
Always connect to an AC power supply that meets the power supply specifications listed on the rear of the unit. Export models: always insure unit is wired for
proper voltage. Make certain grounding conforms with local standards.
YOUR AMPLIFIER IS LOUD! EXPOSURE TO HIGH SOUND VOLUMES MAY CAUSE PERMANENT HEARING DAMAGE!
Your Mesa/Boogie Amplifier is a professional instrument. Please treat it with respect and operate it properly.

PRECAUTIONS ____________________________________________________________________________ 0
OVERVIEW _____________________________________________________________________________ 1-3
INSTANT GRATIFICATION, HELPFUL HINTS ______________________________________________ 4-5
FRONT PANEL CONTROLS & FEATURES
VOLUME 1________________________________________________________________________________ 6
VOLUME 2______________________________________________________________________________ 6-7
MASTER __________________________________________________________________________________ 7
TREBLE ________________________________________________________________________________ 7-8
MID/BOOST ____________________________________________________________________________ 8-9
BASS _____________________________________________________________________________________ 9
MULTI-WATT™POWER _________________________________________________________________ 9-10
STANDBY ________________________________________________________________________________ 10
POWER __________________________________________________________________________________ 10
REAR PANEL CONTROLS, SWITCHES & JACKS
FUSE ____________________________________________________________________________________ 11
REVERB FOOTSWITCH ___________________________________________________________________ 11
SEND LEVEL (EFFECTS LOOP) _____________________________________________________________ 11
SEND/RETURN (EFFECTS LOOP) __________________________________________________________ 12
SLAVE LEVEL AND OUTPUT_______________________________________________________________ 12
PRESENCE ____________________________________________________________________________ 12-13
SPEAKER OUTPUT ____________________________________________________________________ 13-14
FACTORY SAMPLE SETTINGS______________________________________________________________ 16
PERSONAL SETTINGS ____________________________________________________________________ 17
DIAGNOSING TUBE PROBLEMS ________________________________________________________ 18-19
SPEAKER IMPEDANCE MATCHING AND HOOKUP GUIDE ________________________________ 20-25
TUBE TASK CHART _______________________________________________________________________ 26
PART SHEET _____________________________________________________________________________ 27
Table of Contents

PAGE 1
In 1971, at the crossroads of Vintage and Modern amplified guitar sounds, stood two pioneers, Randall Smith and Carlos Santana,
and the little amp that could... the Boogie®. The passion, creativity and dedication of these two artists intersecting at that revolution-
ary time in music history can only be called fate, and the resulting impact on the guitar’s voice will be felt forever more. With so many
FIRSTS, it set the world’s pro guitarists on their collective ear; the Boogie ushered out the old notion of a guitar amp and transformed
it once and for all into a legitimate instrument.
The Compact 100 Watt 1x12 Combo, Tube Cascading High Gain Preamp (SUSTAIN), Half Power Switch (100/60), Pull-Gain Boost,
On-Board Graphic EQ, Slave Out, , Custom Hardwood Cabinetry and a Wicker Cane Grille were all innovations seen exclusively on
the world’s first boutique amplifier by the world’s first boutique amp builder, Randall Smith and MESA Engineering®.
The Limited Edition KING SNAKE™ you have chosen is legendary in both sound and story because it is the direct descendant of
the original Boogie that stood alone at that intersection so long ago. That amp was the transitional link between the low gain single
channel amps of yesteryear and today’s high gain, multi-channel footswitching amplifiers.
Before the Boogie® MARK I™, players had to turn an amp up really LOUD to get overdrive and sustain from power section distortion.
With the creation of the world’s first high gain tube preamp in 1970, found only in the little Boogie by MESA Engineering, players could
achieve sustain and singing tube overdrive at any volume. Revolutionary! The rest is history – but it is correct to say that the little high
gain, high power 1x12 Boogie Combo changed guitar and popular music forever. But the story doesn’t end there!
This model is a tribute to the amp Carlos Santana toured with in 1972/73, right down to the unique chassis size and the aged Snake-
embossed leather covering. But it’s also been updated to include some of our most secret Tone discoveries uncovered throughout the
43 years since the original’s creation. These improvements, some visible and some hidden, increase the performance and versatility
while recreating the original voice with full authenticity. They make the King Snake™ more usable across a wider range of musical
styles and power requirements, and add exciting new possibilities for expression and enjoyment.
Owner’s Manual & Operating Guide
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
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120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
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5
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3
2
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1
FRONT VIEW: King Snake
™
REAR VIEW: King Snake
™

PAGE 2
OVERVIEW
The KING SNAKE features the original Boogie MARK I single-channel preamp that includes two different Inputs, one for traditional
lower gain performance (Input 2) and one for higher gain all-tube overdrive (Input 1). Each of these Inputs has its own dedicated VOL-
UME Control responsible for the amount of gain at that stage in the preamp. Input 2 gives you access to traditional lower gain Clean
sounds and is also the Carlos’ preferred Input for his single note solo sounds. His applications are covered below in more detail. Input
1 accesses an extra tube stage in front of Input 2’s more traditional gain stages to deliver even higher gain, sustain and saturation.
When plugged into Input 2, its associated VOLUME 2 Control determines the amount of gain available from the preamp. When
Input 1 is chosen, an additional tube gain stage is activated and both VOLUME 1 and VOLUME 2 are on line and can be blended
to create the preferred amount of overdrive. The best results are usually found with VOLUME 2 set a little higher than VOLUME 1.
This scheme produces richer, warmer saturation and reduces excess harmonic content that might create a layer of loosely attached
higher frequency sizzle with some instruments. This can be desirable on occasion, but setting VOLUME 2 lower than VOLUME 1
should be reserved for those times when you are looking for a brighter voice with added harmonics.
Original Mark I’s were shipped with a harness to achieve rudimentary channel switching with an external A/B box. Modern perfor-
mance expectations would consider this inadequate, so we’ve focused instead on optimizing the SNAKE’s single channel perfor-
mance. We don’t recommend trying to “channel-switch” the SNAKE with an external A/B box as pot tapers have been altered from
Original MARK I spec to achieve this single channel optimization.
The standard array of Tone Controls shapes the KING SNAKE’s soulful gain with one new and significant improvement; What was
previously a switchable On/Off Gain Boost feature on Carlos’ original MARK I appears here on the KING SNAKE as an adjustable
MID/BOOST, integrated into the MID Control. From 0 to 5.0 on the MID/BOOST you will find the normal range of a standard MID con-
trol in a condensed form. From 5.0 to 10.0 on the MID/BOOST a wonderful graduation of overdrive possibilities unfold that enhance
gain over a wide midrange spectrum and saturate with increasing thickness.
This simple but incredibly powerful (and patent applied for) MID/BOOST feature allows you to dial in additional gain into either Input’s
signal path ranging from subtle enhancement to substantial overdrive. The incremental saturation is perfectly suited for adding extra
fur to “edge of clean” sounds, helping them transition smoothly into clip with player-directed dynamics and authenticity. It broadens
the stylistic range of Input 2 and for some players, will be all the overdrive they ever need, especially when the upper range of the
MID/BOOST is combined with the 10 or 60 WATT Power Modes. For those needing extreme saturation the MID/BOOST may also
be applied to Input 1 to thicken and liquefy, but apply the MID/BOOST with care here as it can easily push things beyond reason,
compromising both attack and balance.
Another powerful weapon the KING SNAKE wields is our patented Multi-Watt™ Selectable Power. Multi-Watt allows you to perfectly
tune the output power to both preamp styles and venue requirements and can add power clip at more usable volume ranges than
would otherwise be possible. On the KING SNAKE, the three-position Multi-Watt switch offers a choice of the full 100 watts of Class
A/B power produced by all four 6L6s, 60 watts of Class A/B power that runs the inner two 6L6s and 10 watts of Class A Single-Ended
power running the two left-most 6L6s for the ultimate in sweet, clip-able power.
The Single-Ended wiring configuration in 10 watts showcases the even-order 2nd Harmonic and adds to the KING SNAKE’s vintage
character, helping the layers “line up” with old school, low-wattage amp magic. This Multi-Watt setting actually DELIVERS the power
expression you’ve been hearing in your head - you know… that haunting power clip you imagine–but that never seems to be quite as
good in reality when you sit down with a coveted vintage gem. In this amp it’s the power clip dream fully realized! You’ve gotta’ play
the KING SNAKE in 10 Watts to believe it. It really is that good.
Another pioneering and powerful update is the addition of our new Switchable Presence Circuit. This feature, seen here for the first
time on the KING SNAKE, allows you to choose between two classic Presence circuits we refer to as TWEED and BLACKFACE.
These different Presence schemes offer opposite response curves and re-voice both frequency and dynamic characteristics of the
power section.

PAGE 3
BLACKFACE produces a warmer, more compressed character that rounds out single notes, giving them more envelope and “pop”
on their attack and smoothness on their decay. This is Carlos’ preferred setting and the Presence circuit used on his original MARK I
Snakeskin. TWEED brings the KING SNAKE’s response forward and features lightning fast attack, substantially more top end (higher
up) and tightens the low end, allowing it to track better. TWEED showcases upper layers of harmonics that you didn’t even know were
there before switching out of BLACKFACE and adds the grind and shred needed for more aggressive gain sounds. This switchable
re-mapping of both circuit and sound allows the KING SNAKE to command a split personality and excel at both vintage and higher
gain sounds. Set for clean or high gain, it pays even further tribute to its original role as a link between the amps of yesteryear and
what’s happening today.
Of course, what would a re-creation of this iconic amp be without amazing Reverb? Not to fret, the KING SNAKE has ‘Verb... miles of
it! And it’s all about vintage. We’ve voiced the all-tube, three-spring, long tank Reverb to include just the right amount of old school
vibe. Depth, harmonics, decay time and a pinch of mechanical “spring artifact” come together to produce a lush, deep ambience that
sounds great as a subtle enhancement or a featured effect. Crack it on for added dimension in a small room or spool it up for a surf
holiday. Either way, you’ll appreciate the KING SNAKE’s retro-inspired Reverb.
A Series Effects Loop is fitted to the Snake’s Rear Panel that incorporates an adjustable SEND LEVEL control. This allows fine-tuning
of the Send strength so it can be optimized to the Input of either rack-mount or pedal type effects. Start with the SEND LEVEL control
all the way down and increase it slowly until the optimum Input signal is reached for your individual effect unit. The KING SNAKE has
more than ample SEND strength so don’t be surprised if you find an optimal setting in the lower region of the SEND LEVEL control
(9:00-11:00). As always, overdrive, compression and wah pedals usually perform better when used between your instrument and
the KING SNAKE’s Inputs – not in the Effects Loop. And for the purist who prefers to keep it simple and straightforward, the KING
SNAKE’s Effects Loop remains Hard Bypassed and completely out of the signal path until cables are inserted into the LOOP jacks.
A SLAVE OUT jack and LEVEL Control allow you to capture the entire sound of the preamp and power section for sending it on to
additional power amps & cabinets for large venue applications.
And finally, we are proud to announce the worldwide debut of the Fillmore KS-100 Speaker - the second release in our exciting new
line of FILLMORE™ guitar speakers! After working with companies from around the globe for the last 9 years and scrutinizing over
500 prototype samples, our long-time friends at Eminence Ltd. delivered in spades (Go USA)! Our obsession and their diligence
have combined to create several new speakers, Handmade in the USA, that rival (and surpass) the best of our golden-era British
references. The KING SNAKE’s soul and voodoo are greatly enhanced by our new Fillmore KS-100 and it’s the perfect compliment
to the classic Santana sounds while remaining toneful and versatile for many other styles. We’re really excited to share these new
speakers with the world and feel we’ve broken through to a new era in great speaker Tone.
The KING SNAKE is the celebration of the wonderful 40+year relationship we’ve enjoyed with Carlos Santana as well as the com-
memoration of a defining moment in electric guitar history. This limited number of amplifiers will stand as testimony to two musical
Icons – one in the limelight, one behind the scenes – who REALLY CARED about their art form and their legacy. We sincerely hope
you enjoy this special amplifier and get many years of inspiration from its sound and performance. May it carry your playing to new
heights and open the doors to opportunity for you as it has done for its namesake.

PAGE 4
INSTANT GRATIFICATION
HELPFUL HINTS
CLEAN
The best performance for Clean sounds will be found in Input 2 with the VOLUME 2 Control set between 4.0–6.75. The lower end
of this range (4.0–5.5) will offer greater headroom and more top end brilliance and sparkle. The upper part of this range will provide
more (low to medium-mid) punch and richer low end with slightly diminished sparkling clean headroom. Keep this in mind especially
when using humbucking or hotter single coil pickups. Below this range there will be a substantial reduction in gain available. Above
it you will begin to incrementally saturate the preamp and introduce tube overdrive.
OVERDRIVE: INPUT 2 (Clipped Clean/Carlos Santana Lead)
For Overdrive sounds in Input 2, set the VOLUME 2 control between 7.0–10 and the TREBLE control between 7.0 and 7.5 (or slightly
above). This will introduce more gain and focus to the “clean” circuit of Input 2 and provide the best overdrive characteristics. Use
the PRESENCE control in either Mode (BLACKFACE or TWEED) to reduce brightness if necessary. The MID/BOOST is designed
to augment Input 2’s overdrive performance and may be used in the 5.0–10.0 range to add additional gain across a broad midrange
spectrum and more evenly saturate the notes.
One of the sounds Carlos Santana has made so famous with MARK I’s exists here in Input 2 with the controls set this way: VOLUME
2 -10.0, TREBLE = 7.0, MID/BOOST = 10.0, BASS = 7.0, MASTER = 3.0–5.0, PRESENCE (Set To BLACKFACE) = 5.0–8.0.
CARLOS SANTANA LEAD TONE
NOTE: Carlos uses a BASS setting that is very high–it works for him in his set-up–but can produce a bloated sound on the lower (E
and A) strings if you don’t use a fairly light touch down in that register. Try using the BASS below 5.0 to avoid this.
OVERDRIVE: INPUT 1
Input 1 accesses an additional tube stage in front of Input 2’s “vintage” gain structure responsible for additional Drive capability.When
your instrument is connected here, both VOLUME 1 and VOLUME 2 are active. This drive sound is a blend of gain from these cascad-
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
HANDCRAFTED
IN PETALUMA, CALIFORNIA
PRESENCE 8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
1
2
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VINTAGE CLEAN
PRESENCE = BLACKFACE @ 2:00
PRESENCE = SET TO TASTE
CLASSIC MK I LEAD

PAGE 5
ing stages and it’s important to note; SETTINGS ON BOTH VOLUME CONTROLS SHAPES THE RESPONSE. The best overdrive
performance for high gain applications will be found with the VOLUME 2 control set slightly higher than VOLUME 1. This scheme
rounds out the notes and they saturate with an even, balanced response. Doing the opposite and setting VOLUME 1 higher than
VOLUME 2 produces a brighter sound with more harmonics that are more loosely attached to the notes. This can be a nice effect for
some things, but we prefer the richness and balanced blend found when VOLUME 2 is set higher than VOLUME 1.
TREBLE adds some additional gain and focus above 7.0, so if your looking to saturate things just a bit more in either Input 1 or 2,
try somewhere between 7.0–8.0 and then set the PRESENCE lower to warm things back up a bit. It’s not the same frequency, but it
will allow you to take advantage of the boost in gain in the preamp from higher TREBLE settings and still have your sound be warm,
round and not too bright.
THE MID/BOOST control functions as a normal Middle control in the lower half of its range from 0–5.0. Above 5.0, additional gain
and harmonics are incrementally added and when fully maxed at 10.0, single notes are saturated almost completely. This is espe-
cially useful in Input 2 when searching for “edge of clean” or pushed sounds for chordal work. It also works well in Input 2 for adding
purring overdrive to single note solo sounds for Blues, Classic Rock and Roots styles where you want the dynamic response of a
clean channel, but want to apply a fair amount of overdrive. This upper range can be a little over-the-top when used in Input 1 (with
the VOLUME Controls set high) and can over-saturate and compromise the attack characteristics. Use the MID/BOOST sparingly
and with taste here.
The BASS control is VERY powerful. When searching for higher gain sounds in both Input 1 and Input 2, or, any time the VOLUME
controls are set above 6.0–7.0, you may need to set the BASS control very low (2.0–3.5) to keep the attack focused, tracking tight,
and to avoid flubby bass. You will usually have better results following this simple suggestion; As The VOLUME (1 & 2) Goes Up, The
BASS Should Come Down. Following this simple advice results in a more balanced sound, response and feel.
The EFFECTS SEND level can be on the hotter side depending on the settings of the two VOLUME controls, the MID/BOOST and
the Tone controls (to a lesser degree). It is wise to begin your Effects interfacing routine by zero-ing out the SEND LEVEL control on
the KING SNAKE’s Rear Panel and increasing it very slowly until reaching the desired SEND LEVEL strength.
Some players will attempt to use an external A/B box and two cables connected to both Inputs to achieve rudimentary Channel
Switching with the KING SNAKE. The original Mark I and the KING SNAKE were never designed as channel switching amplifiers
and while A/B switching can work in a small window of settings, there are MANY more settings and tonal options you’ll likely want to
access where channel switching won’t work well. While this is possible at certain settings, the KING SNAKE is not set-up for Chan-
nel Switching operation due to its optimization for a single channel platform. Unlike original MARK I amplifiers, the KING SNAKE will
actually be quieter in Input 1 at most great sounding settings than Input 2. This is due to a dual-element pot on the MASTER that
“follows” your Input choices and uses different elements to achieve a balance in demo settings. Should you insist on attempting a
Channel Switching scenario, using a “clean boost” pedal such as our TONE BURST™ into Input 1 can help to increase the volume
level and achieve a balance between the two Inputs.
PRESENCE: BLACKFACE = WARM, ROUND & LAID BACK
Use the BLACKFACE PRESENCE Mode for a rounder attack with morphing envelope characteristics. BLACKFACE provides a
darker, fatter response with a more breathing low end and substantially less-emphasized top end. This is often the best choice for
single note work that has a vocal quality. It softens and smears the transition to clip and breaks up more smoothly while keeping the
gain tightly focused around the notes and minimizing “buzz”.
PRESENCE:TWEED = BRIGHT,TIGHT & FAST
The TWEED PRESENCE Mode delivers the transient peaks with greater speed and accuracy and is much brighter in character. This
Mode works well for cutting through a mix and showcases an unveiled region of upper harmonics that is not present in the BLACK-
FACE Mode. It lends a chime-y, sparkling character to clean chording and gives the impression of increased headroom since bright
sounds always travel faster. This upper harmonic region emphasis is critical to achieving more modern high gain sounds and the
speed and forward aggression in the top end of the TWEED Mode should be employed when dialing for sounds in the Heavy realm.
TWEED also keeps the low end tight and focused for high gain work, especially when de-tuned.

PAGE 6
FRONT PANEL CONTROLS & FEATURES
VOLUME 1:
This control adjusts the gain for Input 1‘s tube overdrive stage, which comes ahead of the Input 2 jack and its tube
stage, architecture-wise. Much like the way an overdrive pedal boosts the gain and saturates the input stage of an amp, the VOLUME
1 control increases the signal strength many times with an additional tube stage “in front of” Input 2’s classic
gain (which can also be cranked up) to create a thick complex overdrive.
You can think of the KING SNAKE’s preamp like this; Input 2 accesses a vintage amp that produces tradi-
tional gain that is clean below 6.0 and reaches mild clipping and singing drive when maxed out at 10. For
those who prefer the urgency of a “Clean-amp-cranked”, this “vintage gain” can be greatly enhanced by
using the upper range of the MID/BOOST (5.0–10.0) to achieve true all-tube overdrive. Input 1 accesses an additional high gain
tube stage in front of this “traditional amp” accessed by Input 2 and produces anything from a purring “threshold clip” up to completely
saturated overdrive, depending on the setting of the two VOLUME controls. As VOLUME 1 only affects the tube stage for Input 1, it
can be ignored when plugging into Input 2.
As mentioned earlier in the Helpful Hints section, we prefer to run the VOLUME 1 control either equal to, or a little below, the setting
of Input 2 (Example; 5.0 on V1 & 7.0 on V2). For maximum saturation try 8.0 on Volume 1 and 10.0 on Volume 2.
To our ears (and hands) this scenario produces a more focused, smoothly sculpted overdrive that is warm and round and free of
detached harmonic artifacts.
The MID/BOOST is effective for adding additional gain to either Input as it comes later downstream in the signal path, but its main
intended use is for adding additional drive when using Input 2.
NOTE: Using the upper range of the MID/BOOST with higher settings of Input 1/ VOLUME 1 will likely oversaturate the notes and
result in a compromised attack characteristic. Extreme settings may also push the preamp tubes past their limit and can cause mi-
crophonic tube noise (a whistle or a high pitched squeal). Avoid excess tube noise and microphonics by using common sense and
apply the MID/BOOST in tasteful amounts when using Input 1.
IMPORTANT! The VOLUME control shapes the Tone of whichever Input you are using and while you should spend some time learn-
ing the nuances for yourself, this general rule applies; lower GAIN settings produce less drive and thinner, brighter, more-scooped
sounds. Higher GAIN settings produce more drive and thicker, warmer sounds that have a rounded and more compressed attack.
Using this knowledge and different combinations of the VOLUME controls (1 set low/2 set high, both set equal or 1 set high/2 set low)
and the two Rear Panel PRESENCE choices, you will be able to achieve almost any style and tonal characteristic you wish.
NOTE: The King Snake has SUBSTANTIAL BASS. One other important rule or scheme to follow is this; As the VOLUME (1 & 2) goes
up, the BASS should come down. Adding substantial gain to bass-heavy sounds (or vice-versa) is rarely a recipe for great Tone and
will compromise your attack and the ability of the preamp–and power section to “track” your playing. Do yourself a favor and avoid
the flub... reduce the BASS control as you increase the VOLUME 1 (and/or VOLUME 2). DON’T BE SURPRISED IF THE TIGHTEST
TRACKING AND MOST BALANCED TONE IS DELIVERED AT “LOWER THAN NORMAL” BASS SETTINGS. This can also apply to
the upper region of the MID/BOOST control in both Inputs as it increases the preamp gain substantially.
VOLUME 2:
This Input and Gain control allows adjustment of the second stage of gain when you are connected to INPUT 1, and the
first stage (Input Tube) if your instrument is feeding INPUT 2. When in INPUT 2 the control works exactly like it does on all (vintage) amps—it
cranks up the preamp.
Lower settings (3.5–5.5) produce a brighter, more scooped sound with increased headroom and a bell-like harmonic chime
on the top end. Higher settings (5.5–7.0) bring in gradual tube saturation and adds girth, low end “air”, breath and dimen-
sionality. Above 7.0 on VOLUME 2, tube saturation becomes the dominant trait and clean response is only possible with ex-
tremely weak pickup output – by design or by your application. In this fashion, many traditionalist Blues and Roots aficionados
live full-time in this area and achieve their “clean” sounds by backing off the guitar’s Volume control when they are not soloing.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1
VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1
VOLUME 2
MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 7
Put simply, Jazz, Funk, Classic Country, Reggae, Ska and Rock Ballad Intros would all be served well in INPUT 2 with the VOLUME
2 set between 4.5 and 6.0. Blues, Classic Rock, New Country and Lead work that needs a quick response and mild to medium
overdrive will want to see the VOLUME 2 in the 7.0–10.0 range.
Remember that VOLUME 2 is active when you are using INPUT 1 and the sound is usually better (more focused, warmer, round
attack, less detached buzz) when VOLUME 2 is set slightly higher than VOLUME 1. As you venture up the gain scale, try keeping
VOLUME 2 a couple numbers higher than the setting of VOLUME 1. For most solo work you might try leaving VOLUME 2 at 8.0. This
will produce a smooth overdrive sound with lots of warmth and character and an explosive attack. When you need extreme gain, just
max out the VOLUME 2 and bring VOLUME 1 up to the desired level... even 10.0, as well, for extreme gain sounds. You can also add
gain here via the upper region of the MID/BOOST control if need be to achieve thicker saturation. Just mind your attack when using
the MID/BOOST... you don’t want so much gain that it turns to “mush”.
MASTER:
This control determines the overall output of the KING SNAKE’s power section and ultimately the playing volume.
In terms of signal path, the MASTER comes after the two VOLUME controls (Input 1 & 2), Tone Controls and the EFFECTS LOOP,
but before the driver stage to the Power Section, so adjustments here will not affect your SEND Level strength at the
EFFECTS LOOP. This is the control that will push the Power Section—whatever your wattage setting may be—toward
clip. If you have low settings on the two VOLUME controls and a high setting on the MASTER, chances are any distor-
tion (overdrive) you hear will likely be from power tubes saturating.
Remember that the KING SNAKE is a LOUD amplifier, especially in the 60 WATT and 100 WATT Power Modes. It
is wise to begin your playing session with the MASTER set at 0 (or very low) BEFORE THE STANDBY IS FLIPPED TO ON, and
increase it SLOWLY to the desired playing volume. This will help you avoid damage to speakers and your ears or the ears of bystand-
ers.
TREBLE:
The TREBLE is the dominant control for voicing the KING SNAKE and its setting will determine not only the character
of the entire sound, but also how much signal the BASS and MID/BOOST are fed. The TREBLE can overpower the other Tone con-
trols and therefore its setting is crucial for a rich, balanced sound.
On this amplifier the TREBLE can be used to add a bit of additional gain and focus to the overdriven sounds and there-
fore, the settings may be higher than on other MESA amps—except for it’s cousin, the LONE STAR—which shares
some resemblance in circuitry architecture in this part of the preamp.
For clean chording and sparkling rhythm work, it works well to set VOLUME 2 around 4.5–6.0 and set the TREBLE in the same region.
Going below this region on the TREBLE will produce warmer sounds that are great for traditional Jazz or darker sounds overall (or
balancing bright guitars), but lack the chime in the top end to be appropriate for most other styles. Settings above the 5.0–6.0 range
will provide more brightness and a sharper attack, but can become harsh and unforgiving for clean work when set too high.
For higher gain sounds in both Input 1 and Input 2, the KING SNAKE allows a little more room for experimentation with the TREBLE
than most of our other circuits. Here the TREBLE can add a nice touch of additional gain and put the finishing touch on saturated
lead sounds. It can give you just that “little bit more” you sometimes need when set somewhere between 7.0–8.0 for higher VOLUME
2 settings in Input 2. If you like the additional gain and focus produced by the TREBLE here but find it’s too bright, simply reduce the
PRESENCE (in either setting) to fatten things back up again.
Set between 7.0–8.0 for gain sounds in Input 1, the TREBLE can help tighten things up and keep the BASS tracking tight while at the
same time adding a touch more “searing” or harmonic gain. Much above 8.0 on the TREBLE though you are tempting more pierc-
ing frequencies as well as all but the most well behaved preamp tubes to show their vulnerability to noise, whether it’s “tube hiss” or
microphonic tendencies. This is especially true when combined with very high settings of VOLUME 1, VOLUME 2, the TREBLE and
the MID/BOOST.
NOTE: May we suggest avoiding very high settings of these four controls (both VOLUMES, TREBLE and MID/BOOST) simultane-
ously and instead do a little give and take. If you need really high gain from both VOLUME controls, back down on the TREBLE and
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2
MASTER
TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER
TREBLE
MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 8
MID/BOOST and bump up the PRESENCE to compensate for brightness sacrificed. If you need a really bright TREBLE setting, try
to back down one or both VOLUME controls and possibly the MID/BOOST a bit. You get the idea… Just avoid extreme gain settings
on the VOLUMES with a really bright setting of the TREBLE... it’s a lot for the (any) 12AX7s to handle.
We suggest spending some time with the two VOLUMES, MID/BOOST and TREBLE so you learn to identify the different frequen-
cies of gain these four controls offer you. They can be subtle, but musically speaking, they all have their place and offer some great
fine-tuning possibilities from which to craft your signature Tone.
MID/BOOST:
This is actually two controls in one, hence the two names. One big improvement from the original Snakeskin
MARK I that Carlos toured with in 1972/73 is the addition of an adjustable pot where there once was a two-position On/Off switch.
This produced a huge increase in gain achieved by lifting the Tone Controls and allowing the entire signal available
in the Rotary Tone Control string to “run free”. It was a great and innovative feature, especially for its time, but it had
two shortcomings; 1)it was all or nothing (normal or boosted) and these two were wildly different sounding due to the
saturation that occurred in BOOST position. 2) once the whole signal was unleashed by the BOOST, there was noth-
ing much left gain-wise in the Tone Control string for the Tone controls to work on, and there was little-to-no shaping
power available in BOOST Mode.
Back then everyone was so mesmerized by the newfound gain available, this trade-off seemed a small price to pay for SUSTAIN!
But Here at MESA/Boogie, Tone never sleeps so we’ve endowed this model with an adjustable BOOST found here on the upper half
of the MID control! It doesn’t completely solve these issues, but it does provide a middle region previously unavailable that allows
incrementally added gain WITH incrementally decreasing Tone-shaping power in the Tone control string. When the MID/BOOST is
maxed (set at 10.0), there is still very little gain left for the Tone Controls to utilize and hence, they do less at this extreme setting. But
this scheme allows YOU to choose the desired balance between gain and Tone-shaping power on the Tone Control string and there
are some truly magic sounds in this new range of incremental gain.
From 0–5.0 the MID/BOOST works like a normal MID control, albeit with a little more condensed taper. A general settings tip for this
narrower taper might be to set the MID two or three numbers below where you think your sound might be with a traditional style MID
control.
Above 5.0 the MID morphs into an adjustable BOOST control that incrementally lifts the Tone controls and allows their full signal
strength to come through, unbridled. Some players will opt for the maximum gain possible here and for those folks, there will be the
same limited power in the Tone Controls as found in the original MARK I’s BOOST Mode available. But for those players who may
not the need the maximum gain BOOST there is a really usable range of enhanced gain over a broad, warm sounding region of mids.
We are extremely pleased with the Tonal possibilities this simple but powerful improvement has made in both sound and dial-ability
and have applied for a patent to claim its obvious benefits as a MESA Exclusive. The simplest ideas are often the best... and easiest
to walk right by for 40 years. If only the folks at the patent office played guitar... we’ll cross our fingers.
Use this valuable enhancement at-will in either INPUT to craft some amazing threshold of clip chording or Blues solo voices or ap-
ply it to already overdriven sounds to thicken them up or put them over the top. Just be aware that there is more gain here than can
feasibly be applied and still retain a balanced sound with a coherent attack characteristic. In other words... don’t dial yourself into
mush by adding so much gain there is no Tone left. A simple but often ignored concept.
NOTE: THE MID/BOOST control functions as a normal Middle control in the lower half of its range from 0.0–5.0. In its upper range,
gain is incrementally added–until fully maxed at 10.0–it saturates the notes almost completely. This upper range may be over-the-top
when used in Input 1 with the VOLUME CONTROLS set high, as it can over-saturate and compromise the attack characteristics. Use
the MID/BOOST sparingly and with taste.
NOTE: Again, avoid very high settings of these four controls; both VOLUME 1 & 2, TREBLE and MID/BOOST simultaneously, and
instead try a little give and take. If you need the gain really high from both VOLUME controls, back down on the TREBLE and MID/
BOOST and use the PRESENCE to compensate for brightness sacrificed. If you like the frequency of the MID/BOOST and want
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE
MID/BOOST
BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 9
the maximum gain available there, back down one or both of the VOLUME controls and/or the TREBLE control. Again, the idea is
to avoid max settings on all four of these gain-producing controls at once, in order to preserve your attack characteristics and avoid
noise issues.
BASS:
As mentioned in the HELPFUL HINTS section earlier in this manual, the KING SNAKE has more than ample low end
available and even low BASS settings can cause an unbalanced, bloated sound if used without discretion. By following the simple
suggestion mentioned earlier in the VOLUME 1 section; As The VOLUME Goes Up, The BASS Should
Come Down, you can stay out of trouble and ensure your attack characteristics remain tight and focused.
For clean work in Input 2 you can be a little more adventurous and set the BASS a little higher without
adverse results. If the VOLUME 2 Control is set below 6.0 (which is best for a great clean sound anyway),
you can run the BASS as high as 5.0–6.0 before you start to overwhelm the attack and introduce flub. This,
of course, is dependent on the instrument, pickups and your technique. Fat hollow body guitars might do better with 5.0 as a ceiling,
where as a solid body/Maple neck guitar might allow a bit of leeway on the up side of 6.0 before you run into a compromised attack
and tubby low end.
For overdrive sounds in Input 2, however, you will want to bring the BASS down quite substantially as you approach higher settings
of VOLUME 2, which dumps more gain into the signal path early. In this scenario you could see your BASS as low as 1.5–3.5 to
achieve a nice attack and still have ample and balanced low end.
For VOLUME 1 the same rule applies, in varying degrees, depending again on your settings, instrument, pickups and hands. At the
low end of the gain scale (remember that VOLUME 2 is also adding gain) with VOLUME 1 set at 3.5–5.0, you may be able to run the
BASS up in the 4.0–5.0 range. As the VOLUME 1 (and/or VOLUME 2) is increased, you will need to turn the BASS down to keep
things tracking tight. As you approach maximum gain (VOLUME 1 & 2 maxed), don’t be surprised if you need to run the BASS at 1.0
or even off altogether to achieve a tight, coherent attack.
The KING SNAKE is one of the world’s warmest, fattest sounding amps and we encourage you to spend some time to learning the
“give and take” skills needed to arrive at a well blended Tone with this huge sounding little amp. Once you spend some time, it will
become second nature and you’ll be able to radically shape your sound, swap instruments, switch musical styles and craft truly in-
spiring Tone within mere seconds. Though a single channel amp, the KING SNAKE is capable of going in many directions musically.
All that’s needed is your fresh ideas and a few minutes to learn the controls and their interaction and you’ll be off and running with
some of the most soulful sounds you’ve ever experienced. Like any high power, finely tuned vehicle, the ride is worth the seat time
to learn the ultimate potential.
MULTI-WATT™ POWER:
The KING SNAKE is equipped with our patented Multi-Watt™ Power that allows selection of Watt-
age, Operating Class and Wiring Configuration across three user-selectable output tube harnesses. They can be used simply to tune
the amp to the venue size or can be selected with Tone and clip-ability range in mind. Each of the three choices sound
and feel different and produce their own unique blend of sonic characteristics that can further authenticate your preamp
settings and the sound style you are seeking.
100 WATTS: The highest output option on the KING SNAKE is wired in CLASS AB Pentode.This is the most efficient, yet
musical, wiring style for a quartet of 6L6 power tubes, and delivers bold, warm Tone at very high volume levels. It would
be the choice any time you need low end girth and accuracy and maximum punch. It would not be the first choice for styles that rely
on power section clipping as a dominant part of their character.
100 WATTS can sound very warm and sweet for clean styles, especially Jazz, where its headroom is near limitless. It’s great for high
gain solo sounds as well, where it produces round, fat notes with authority and dynamic punch. To experience the ferocious side of
the KING SNAKE, connect a 4x12 Closed-Back cabinet and crank both VOLUME 1 and 2, set the Rear Panel PRESENCE switch to
TWEED, set the PRESENCE control between 3.0–5.0 for a truly menacing and LOUD Heavy Rock sound.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST
BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS
STANDBY POWER
100 WATTS
ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
I
NG
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 10
60 WATTS: This should be your go-to choice for all around great performance with the Combo. 60 WATTS produces the
best blend of power, headroom and Tone while still providing some level of clip-ability as you get near the loud playing
threshold. It is also wired in Class AB Pentode that produces substantial volume and headroom while still maintaining a
sweet, vintage character and musical clip.
Sonically, the 60 WATT setting is a bit brighter, bubbly and more chiming. The feel is bouncy and elastic due to its mid-
power tube compliment running off a supply capable of delivering much more current. We feel it’s the all-around best
sounding, best feeling setting of the three Power Modes and it also happens to be the favorite choice of Carlos Santana.
10 WATTS: This is the choice any time you need sweet power clip at reasonable volumes. This power section pays tribute
to the vintage gems of yesteryear and is wired in Class A, Single Ended to produce the smoothest transition into clip and
warm musical power section overdrive. Single Ended wiring styles emphasize the even-order harmonics–especially the
2nd Harmonic (an octave above the note played)–which imparts a lush patina of old school magic and a “smile” on the top
end that is silky and smooth. Notes purr when pushed into clip here and the transition is almost seamless and exquisitely
musical. And even when you aren’t using it for power-drive, but rather just practicing at home or at quiet volumes, the 10
WATT setting is supremely rewarding to play with it’s naturally “lined up” harmonic content. It’s also incredible in the studio
when you’re searching for sounds that rely on power-clip and not running the preamp too hot.
10 WATTS is not the best choice for extreme gain settings on the VOLUME 1 and 2 controls, especially when combined with higher
MASTER and/or BASS settings. The low end won’t track as accurately at extreme VOLUME (1 & 2) settings in this Single Ended
Power Mode and this combination may result in unwanted flub or a loose bass response. But… when you’re looking for the ultimate
old timey, little-amp-turned-up vibe, the 10 WATT Power Mode is really hard to beat.
STANDBY:
Perfect for set breaks, this toggle switch also serves an even more important purpose. From cold-start, the STANDBY
position allows you to warm up the tubes – especially power tubes – before applying the high voltage by switching the
STANDBY to the ON position. Before POWER is switched to ON, make sure the STANDBY switch is in the STANDBY posi-
tion.Wait at least 30 seconds and then flip the STANDBY switch to the ON position.This prevents the shock of high voltage
hitting cold tubes and reduces the likelihood of tube problems and increases their toneful life substantially.
POWER:
This switch delivers the A.C. power to the KING SNAKE. Make sure the unit is grounded (all three terminals of the A.C.
power cord must be connected to avoid injury to the user as well as to the unit) and that the proper voltage is present.
Always follow the cold-start procedure described in the STANDBY section above when powering up your amplifier.
This will reduce the likelihood of tube problems and increase their musical life.
NOTE: For the best response and a “more correct” impedance match, when using 60 WATTS with the 8 Ohm internal
Combo speaker (or any 8 Ohm load), connect it to one of the 4 OHM SPEAKER OUTPUTS. This will give you the
maximum headroom and a bubbly, fast,, punchy response. It is not mandatory, but most players seem to prefer this
combination for its more exciting Tone and feel.
Well, that covers the Front Panel features and Controls. Now let’s go to the Rear Panel and see what resides there to help you get
your Tone.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS
STANDBY
POWER
100 WATTS
ON
ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
I
NG
S
NA
KE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS
STANDBY POWER
100 WATTS
ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
I
NG
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS
STANDBY POWER
100 WATTS
ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
I
NG
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY
POWER
100 WATTS ON
ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 11
REAR PANEL
NOTE: As the knobs used on the Rear Panel of the KING SNAKE are not numbered like those used on the Front Panel and use in-
stead a white line as a pointer/indicator, throughout the Rear Panel Section of this guide we will use Clock Face settings (9:00–12:00,
etc.) instead of numbers (9.0–12.0, etc.) to describe settings.
FUSE:
This is the AC MAINS FUSE and it protects your amplifier from both fluctuations that might occur in the A.C. Line and from
those caused by power tube shorts or failures—should one ever occur. The FUSE is a Slo-Blo type and should ALWAYS be replaced
with the same type and rating as printed on the back of your amplifier should it ever blow. The USA/North America
Version KING SNAKE utilizes a 3 Amp Slo-Blo Fuse. Import Versions: please check the screenprinting on the amp
next to the fuse holder and/or consult your Dealer/Distributor for the proper FUSE Rating.
IMPORTANT NOTE: NEVER attempt to “bypass” your FUSE by replacing it with “tin-foil” or anything other than a
Slo-Blo Fuse of the same type and rating printed next to the fuseholder. If the FUSE fails, it is usually for a good
reason and it has failed to protect your amplifier. Disregarding this warning will likely result in damage to your amplifier that WILL
NOT be covered under the Warranty.
REV. FT.SW:
This ¼” jack accepts a standard tip/sleeve ¼” male plug and will allow you to use a remote footswitch to toggle the
REVERB on and off. It responds to standard tip-to-ground latching type switching common among both Rackmount Master Switch-
ing units and standalone On/Off Footswitches. You can contact us Direct or your Dealer to order one for nominal
charge.
NOTE: The REVERB On/Off footswitch requires a SHIELDED cable to work properly. Using a non-shielded
(speaker) cable will produce an unwanted hum. Always make sure the REVERB Remote Footswitch Cable is a
shielded cable. If you order one Direct from us or your local dealer or distributor, please inform the Product Spe-
cialist that it is for a KING SNAKE and they will make sure to provide the correct shielded cable with your order.
SEND LEVEL (EFFECTS LOOP):
This pot adjusts the signal level present at the Effects Loop SEND jack and allows for
compensation both above and below the levels produced by the settings on the VOLUMES (1 & 2) and the Tone Controls. The MAS-
TER is after the SEND stage and this SEND LEVEL pot, so the MASTER setting has no bearing on the SEND strength.
While there is no “right” level or setting for every processor, we’ve found that 9:00–10:00 produces “close to unity gain”
signal strength and should be a good “ballpark” setting for the Input Stage of most effects of decent quality. Use this
9:00–10:00 setting as a fairly safe starting point and adjust from there. There is a healthy amount of signal available
here in the KING SNAKE, so don’t be surprised if you find an optimum amount of signal for your processor below 12:00
on the SEND LEVEL control.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB
SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB
SEND LEVEL
SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 12
SEND/RETURN (EFFECTS LOOP):
The EFFECTS LOOP SEND and RETURN provides an interface for effects process-
ing between the preamp and the power section of the KING SNAKE. The jacks are switching type, meaning that when no plugs are
inserted, the EFFECTS LOOP is bypassed. The Loop is wired in SERIES with the dry signal and therefor you will
need to control the mix level (wet/dry blend) from your processor/effect(s).
Remember that the Loop is a sensitive junction between the preamp and the power section and anything you insert
here becomes a “Tone part”. With that in mind, try to choose processing of the best possible quality and sonic in-
tegrity. Also, use shielded instrument cables of the shortest length and of good quality, as a portion of your signal is
travelling through them at all times when they are connected to the Loop.
The Loop is optimized for professional quality processors and though it can accept both pedal and rack-mount style units, it is better
suited for certain things than others. Delay, Reverb, Chorus, Flange and Harmonizers tend to work well in the Effects Loop, whether
they are pedal type or rack style formats with rackmount effects usually offering more control over the parameters, should you need
that. Overdrive, Distortion, Boost, Wah, Envelope, and Octavers tend to favor connection in the Front End (Input) to achieve a great
sound.
Whatever you are using and wherever you are connecting it, try to keep the cable lengths as short as possible to avoid signal degra-
dation (high-frequency loss) due to increased cable capacitance.
NOTE: To access the KING SNAKE power section ONLY (for use as a SLAVE amp for additional power), use the RETURN as the
INPUT. You may have to insert a “dummy” shorted plug into the SEND to allow signal to pass the LOOP junction.
SLAVE LEVEL AND OUTPUT:
The SLAVE Output and its accompanying Level control provide an output for capturing the
sound of both preamp and power section. This feature may be used to drive additional slave power amplifiers for
big venue applications or to drive a string of outboard processors when using the EFFECTS LOOP is not desirable.
It is not a direct recording output as it derives its signal from the speaker jacks and is much too strong a signal to
connect to the input of a console. Also there is no roll off of high frequencies or shaping, as the speaker does this,
so the sound would be less than desirable for recording applications. Should you need a direct recording sound,
check out one of our Rectifier Recording Preamp’s which are designed specifically for this application and has the
necessary circuitry to achieve this difficult task with stunning results.
NOTE: The signal from the SLAVE Output is powerful. Always start with the LEVEL control set to its lowest position (7:00) when con-
necting to anything and bring the level up slowly to avoid damaging gear (and ears) downstream of the KING SNAKE.
NOTE: Once a signal has been taken from the SLAVE Output, it can not be routed back into the amplifier (INPUT or EFFECTS LOOP
RETURN). Doing so will produce a feedback loop resulting in a high pitched squeal much like holding a microphone up to a monitor.
PRESENCE:
The KING SNAKE hosts one of the most exciting and dramatic NEW Tone options we’ve ever found in our four
decades of Tone Sleuthing; The Switchable PRESENCE STYLE. Ironic that we had to go so far back into our own
history to be reminded of the potential here, but regardless, it’s on your amp today!
This ingenious circuit gives you a choice of the two most classic PRESENCE circuits that are part of almost every
amplifier—vintage or modern—and creates for you a whole new level of Tone-shaping possibilities. Not only that,
the two choices found here on the PRESENCE STYLE switch allow the KING SNAKE’s single channel architecture
to roam wildly different genres of music with authentic accuracy.
While each of the PRESENCE circuits have their obvious strengths and attributes, by no means should you shy away from experi-
menting with them to find new and exciting ways to shape your sound. This is a new (and Patent Applied For) feature and will likely
find its way onto other MESA products in the very near future. It adds a level of flexibility never before offered and will surely help you
find you own unique and inspiring sounds.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL
SEND RETURN
SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN
SLAVE SLAVE LEVEL
PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL
PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 13
BLACKFACE is a roll-off type control located at the end of the preamp and produces a warmer, more compressed character that
rounds out single notes, giving them more envelope and “pop” on their attack and smoothness on their decay. The power section
does not have an adjustable point in this PRESENCE scheme and instead uses a fixed set of parts to tune that location in the circuit.
This is Carlos Santana’s favorite setting and the same PRESENCE circuit used on his original MARK I Snakeskin. This Mode shines
for Clean sounds that are vintage in nature with a round attack and a bloom in the low end. It’s got more “juice and forgiveness” in
comparison to TWEED and you can “dig-in” more for expressive passages without ever sounding harsh or brittle.
BLACKFACE also excels at vocal single note work regardless of how much overdrive is dialed in. It has a smoother, more “envelope-
y” attack and the natural compression here is perfect for memorable melodies with a wide signature in any gain range or Input choice.
Make sure you audition the Input 2 response with the VOLUME 2 cranked-up high and the PRESENCE between 11:00–3:00 for
soulful Blues Lead work. Magic awaits!
TO SUM IT UP, BLACKFACE offers reduced brightness and more natural compression while still maintaining detailed resolution over
a wide range of lower frequencies.
TWEED is a true “power section PRESENCE” that works on negative feedback in a selected range of frequencies. Sonically it brings
the KING SNAKE’s response forward and features lightning fast attack, substantially more top end (higher up) and tightens the low
end, allowing it to track better, especially during complex rhythmic passages. TWEED showcases upper layers of harmonics and
adds the grind and shred needed for more modern aggressive gain sounds.
TWEED excels for Clean sounds as well, and offers flavors that have more cut and slice than BLACKFACE. It’s perfect when you need
to define the guitar in a complex mix. Watch the TREBLE here though, as TWEED is rich with harmonics and instantaneous in its
delivery of the attack when compared to BLACKFACE. This can be dangerous when combined with high settings of the PRESENCE.
There is a nice “threshold-zone” at the lower end of the PRESENCE control in TWEED that works well for single note overdriven
sounds. Somewhere between 9.00–11.00 (depending on the rest of your settings), there is a point where the sound transitions from
dark and more compressed to open and brighter. In this zone there are many subtle shades of attack and envelope characteristics
and spending some time exploring here should reward your search for solo sounds. Much above 1:00–1:30 on the PRESENCE in
TWEED Mode and the top end really starts getting forward. You may want to reserve this region for heavily overdriven chording or
crunch sounds where the ample layers of harmonics are style-appropriate.
TO SUM IT UP, TWEED provides increased attack and urgency while offering greater resolution across an unrestricted region of
harmonic cut and brightness. It provides control over almost two octaves of harmonics above those present in the BLACKFACE
PRESENCE Mode.
This switchable re-mapping of both circuit and sound regarding PRESENCE allows you to command a split personality in the KING
SNAKE and excel at both true vintage and more modern styles with this one amp. Set for clean or high gain, it pays even further
tribute to its original role as a link between the amps of yesteryear and the high gain footswitching amps of the modern era.
SPEAKER OUTPUT:
These three ¼” jacks provide the power output to speakers, whether it be the internal 1x12 Combo
speaker or an extension cabinet(s) of your choice. While the KING SNAKE is capable of tolerating mis-
matches in the high direction (i.e. 16 Ohm Speaker/Load on the 8 Ohm jack of the KING SNAKE), it is not
able to drive a 2 Ohm load without stressing the Tubes and Transformer. 2 Ohm Loads should not be used.
To use the internal Combo speaker with an additional 8 Ohm Extension cabinet, connect both 8 Ohm
Speakers/Loads to the two 4 OHM SPEAKER jacks. This will produce a correct impedance match and
provide you with the full power for clean headroom.
To use a single external 4 Ohm cabinet, connect it to the 4 Ohm Speaker jack.
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM
7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1

PAGE 14
To use two external 16 Ohm cabinets (i.e. two 4x12 cabinets–each with 4x16 Ohm speakers wired Series Parallel), connect them to
a “Y” cable or box and connect the “Y” to the 8 OHM Speaker jack. This scheme will provide a good impedance match as well.
Consult the Speaker Impedance Matching & Hook-Up Guide at the end of this manual for other common speaker connection options
and feel free to contact MESA Customer Service with any questions you may have regarding proper speaker impedance connections.
Always make sure your speaker is correctly and securely connected. If you’re not sure of the correct connection, consult the Match-
ing & Hook-up Guide to make sure your connections are correct. The reliability and longevity of your tubes, tone and the amplifier, in
general, depends on your speaker(s) being connected properly.
REST AREA

NOTES

PAGE 16
FACTORY SAMPLE SETTINGS
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
120V~
60 Hz
3 A
AMPLIFIER
44YV
VOLUME 1 VOLUME 2 MASTER TREBLE MID/BOOST BASS
10 WATTS STANDBY POWER
100 WATTS ON ON
1
2
60
KING SNAKE
VACUUM TUBE AMPLIFIER
HANDCRAFTED
IN PETALUMA, CALIFORNIA
REV. FT. SW REVERB SEND LEVEL SEND RETURN SLAVE SLAVE LEVEL PRESENCE
3 A
SLO
BLO
8 OHM
TWEED
BLACK FACE
4 OHM 4 OHM 7,173,488
7,412,064
OTHER PATENTS
PENDING
PATENTED
TUBE GUIDE
4 x 6L6
5 x 12AX7
CAUTION:
Unplug power
before servicing
fuse or chassis
™
USE WITH
100WCAB
USE WITH COMBO
8ΩSPKR, & 60W
USE WITH TWO
8ΩSPKRS, & 100W
™
K
ING
S
NAKE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
VINTAGE CLEAN
PRESENCE = BLACKFACE @ 2:00
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
STINGING BLUES
PRESENCE = TWEED @ 12:00
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
CLASSIC MK I LEAD
PRESENCE = SET TO TASTE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
PRESENCE = BLACKFACE @ 3:00
CARLOS SANTANA LEAD TONE
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
PRESENCE = TWEED @ 10:30
TIGHT CRUNCH
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
1
0
9
8
7
6
5
4
3
2
1
PRESENCE = TWEED @ 9:00-11:00
MOLTEN MK I