Peavey 6505 II User manual

www.peavey.com
Peavey®6505®II
Tube Guitar Amplier
Operating
Manual

FCC/ICES Compliancy Statement
This device complies with Part 15 of the FCC rules and Industry Canada license-exempt RSS Standard(s). Operation is
subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, that may cause undesired operation.
Le présent appareil est conforme aux CNR d’lndustrie Canada applicables aux appareils radio exempts de
licence. L’exploitation est autorisée aux deux conditions suivantes: (1) I’appareil ne doit pas produire de
brouillage, et (2) I’utilisateur de I’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
Warning: Changes or modifications to the equipment not approved by Peavey Electronics Corp. can void the
user’s authority to use the equipment.
Note –This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try and correct the
interference by one or more of the following measures.
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•Consult the dealer or an experienced radio/TV technician for help.
Caution
The equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment.

Peavey®6505®II
Congratulations on your purchase of the all new 6505® II. Peavey's classic high-gain legacy continues with the 6505® II. Like the
original 6505 head, the 6505 II offers two channels. However, the 6505 II adds separate EQ, Resonance, and Presence controls
to each channel, giving you more control and flexibility. The new footswitch provides foot control of channel selection, effects
loop, and the newly added ability to select the Crunch feature. Now you can instantly obtain that extra gain in the Rhythm
Channel with your foot and never have to take your hand off the guitar. Finally, the Clean Channel has been added, completely
redesigned to sound much cleaner, and has one 12AX7 devoted to just the Clean/Crunch.
The following guide explains these features and how to operate each one in order to obtain your desired sound. We recommend
that you read this manual carefully, paying close attention to any warnings or cautions.
FEATURES:
• Two distinct tube channels with footswitch control
• LED “active” indicators for each channel
• Bright switch for Rhythm channel
• Crunch switch on Rhythm channel with footswitch control
• Separate equalizer sections for each channel
• Separate power amp controls (Resonance and Presence) for each channel
• Separate preamp controls (Pre and Post Gain) for each channel
• Standby power switch
• Bias test points on rear panel
• Effects loop with footswitch control
• 1/4" Preamp output jack
• Speaker impedance selection switch (4, 8, 16 ohm)
• Two parallel 1/4" speaker output jacks
• 120 watts output power ohm output power
• Metal three button footswitch with detachable 25' cable
ENGLISH
VENTILATION: For proper ventilation, allow 24" clearance from the nearest combustible surface.
All vents should have a minimum of 2" of free air space so air can flow thru the unit freely for proper cooling.

Rear Panel
1 2 3
4
56 7 8 9
DESIGNED AND ENGINEERED IN U.S.A.
REFER ALL SERVICING TO PEAVEY
AUTHORIZED SERVICE CENTER
CAUTION
ALL TUBES 12AX7A
6505
EFFECTS PREAMP
A PRODUCT OF PEAVEY ELECTRONICS CORP.
5022 HARTLEY PEAVEY DRIVE
MERIDIAN MS. 39305, U.S.A.
SEND
BIAS
TEST
FUSE
100V
F8AL/250V
115V
F5AL/250V
220/240V
F3.15AL/250V
100-240V
50/60Hz
400 WATTS
Consumo de energia 400Wh
Consumo de energia
en modo de espera 71Wh
BIAS
VOLTAGE
GND
RETURN OUT REMOTE SWITCH Made in ChinaCLASS 2 WIRING
SPEAKER OUTPUTS
120W RMS/44V RMS 4ΩMIN.
SPEAKER JACKS PARALLELED
100V
100V
240V
240V
0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
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456
7
8
9
10 0
1
2
3
456
7
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10 0
1
2
3
456
7
8
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10 0
1
2
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10 0
1
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456
7
8
9
10
CHANNEL BRIGHT
CRUNCH
SELECT
HIGHMIDLOWPRE
INPUT POST HIGHMIDLOWPRE POST RESONANCE PRESENCE RESONANCE PRESENCE
POWER
ONON
STANDBY
RHYTHM RHYTHM LEADLEAD
(1) LINE CORD (120 V units only)
For your safety, we have incorporated a 3-wire line (mains) cable with proper grounding facilities. It is
not advisable to remove the ground pin under any circumstances. If it is necessary to use the 6505ii
without proper grounding facilities, suitable grounding adaptors should be used. Greatly reduced
shock hazard exists when the unit is operated with the proper grounded receptacles.
(2) FUSE
WARNING: THE FUSE SHOULD ONLY BE REPLACED WHEN THE POWER CORD
HAS BEEN DISCONNECTED FROM ITS POWER SOURCE. A 5 amp fuse is located within the cap of the fuse
holder. It must be replaced with the same type and value in order to avoid damage to the equipment
and to prevent voiding the warranty. If the amp repeatedly blows fuses, it should be taken to a
qualied service center for repair.
(3) GROUND SWITCH
This is a three-position, rocker type switch which, for most applications, should be operated in
the center (zero) position. If hum or noise is noticed coming from the speaker enclosure(s) with
the Ground Switch in the center position, place the Ground Switch to positive (+) or negative (-)
to minimize hum. Should a hum/noise problem continue, consult your authorized Peavey dealer, the
Peavey factory, or a qualied service technician.
(4) BIAS TEST TERMINAL
These terminals, along with the adjustment knob behind the grill are provided to measure and adjust
the power amp tubes’ bias. The bias adjustment should only be done by a
alied technician.
(5) EFFECTS SEND/EFFECTS RETURN
Signals are supplied to outboard eects or signal processing units by patching from the Eects
Send output into the outboard unit(s) and back into the Eects Return input using shielded
cables with 1/4" mono phone plugs. Only non-gain eects devices (chorus, reverb, delay, etc.)
should be used in the eects loop. If footswitch is used, “Eects” must be selected (LED
illuminated) for eects to work.
(6) PREAMP OUT
This output can be used to send a preamp signal from the 6505 II to a mixing console, tape
recorder, etc., using a shielded instrument cable. Patching from the PREAMP OUT does not aect the
normal operation of the amplier.

DESIGNED AND ENGINEERED IN U.S.A.
REFER ALL SERVICING TO PEAVEY
AUTHORIZED SERVICE CENTER
CAUTION
ALL TUBES 12AX7A
6505
EFFECTS PREAMP
A PRODUCT OF PEAVEY ELECTRONICS CORP.
5022 HARTLEY PEAVEY DRIVE
MERIDIAN MS. 39305, U.S.A.
SEND
BIAS
TEST
FUSE
100V
F8AL/250V
115V
F5AL/250V
220/240V
F3.15AL/250V
100-240V
50/60Hz
400 WATTS
Consumo de energia 400Wh
Consumo de energia
en modo de espera 71Wh
BIAS
VOLTAGE
GND
RETURN OUT REMOTE SWITCH Made in ChinaCLASS 2 WIRING
SPEAKER OUTPUTS
120W RMS/44V RMS 4ΩMIN.
SPEAKER JACKS PARALLELED
100V
100V
240V
240V
0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10 0
1
2
3
456
7
8
9
10
CHANNEL BRIGHT
CRUNCH
SELECT
HIGHMIDLOWPRE
INPUT POST HIGHMIDLOWPRE POST RESONANCE PRESENCE RESONANCE PRESENCE
POWER
ONON
STANDBY
RHYTHM RHYTHM LEADLEAD
(7) REMOTE FOOTSWITCH JACK
This jack is provided for the connection of the supplied remote footswitch. The footswitch cable
should be plugged in before the amp is powered up. When the footswitch is plugged into the Remote
Footswitch Jack, the Channel Select switch (14) must be pressed to the“in” position for remote
selection of the Lead or Rhythm channel (right footswitch button). The On and O operation of
Eects (left footswitch button) will work at all times. Remote selection of Crunch gain boost
(center footswitch button) is available only when the Crunch Switch (22) is selected. See page 9
for detailed Footswitch diagram.
(8) SPEAKER JACKS
These jacks are provided for the connection of speaker enclosure(s). The minimum speaker
impedance is 4 ohms. The Impedance Selector Switch (5) should be set accordingly.
(9) IMPEDANCE SELECTOR SWITCH (5)
Use this switch to select the appropriate impedance of the speaker enclosure(s) connected to
the Speaker Jacks (4). If two enclosures of equal impedance are used, the switch should be
set at one half of that value (e.g., two 16 ohm enclosures: set switch to 8 ohms; two 8 ohm
enclosures: set switch to 4 ohms).
Front Panel
12 13
14 16 18 11 10
15 17 18 19 20 21 22 23
(10) POWER SWITCH/LED
This switch supplies power to the unit. Depressed to the“ON” position, the red Power LED indicator
will illuminate above the Power Switch when power is being supplied to the unit.
(11) STANDBY SWITCH/LED
This switch allows the 6505 II to be placed in a non-operational standby mode. When the Standby
Switch is activated, the tubes remain hot and ready for instantaneous operation, eliminating
warm-up time. The Standby LED indicator above the switch will illuminate when the amp is in the
operational mode.
(12) INPUT
The 6505 II input jack is designed to accommodate a variety of guitar output levels, regardless of
pickup conguration. Due to the extreme high gain capabilities of the 6505 II, it is imperative
that you use a premium shielded instrument cable in order to minimize noise.
(13) CHANNEL SELECT SWITCH
This switch allows selection of the Rhythm or Lead Channel. Depressing the switch to the “in”

position activates the Lead Channel. The red LED next to the Lead Pre control will illuminate to
indicate that the Lead Channel is active. In the “out” position, the Rhythm channel is activated
and the green LED illuminates next to the Rhythm Pre control to indicate that the Rhythm Channel is
active. Channels may be remotely selected using the 6505 II’s footswitch. If remote selection is
desired, the Channel Select Switch must be set to the “in” position (Lead Channel).
(14) CHANNEL SELECT LED
Both the Rhythm Channel and Lead Channel have these LEDs to indicate which channel is active. The
two Channel Select LEDs are never on at the same time. The channel with its indicator illuminated
is the active channel.
(15/18) PRE and POST GAIN
The channel Pre (15) and Post (18) Gain controls operate in the same manner for both channels.
However, the Lead channel does have more pregain than the Rhythm Channel. In most applications, the
Rhythm channel should be set up with the Pre Gain at the lower “cleaner” settings (0-4) and the
Post Gain should be set for overall volume. The Rhythm channel can be converted to a medium
distortion channel by activating the Crunch switch (17). This will more closely match the pre gain
of the two channels. The Lead channel should be set up with the Pre Gain at the mid to upper
settings (5-10) and the Post Gain should be set for overall volume.
(19/20/21) EQUALIZATION
The 6505 II’s equalization block features passive low, mid, and high EQ that is custom tailored for
each channel to classic Peavey specications. Adjusting the control(s) counterclockwise will
result in an attenuation of the signal within the frequency band.
(16) BRIGHT SWITCH
Activates a preset boost in the treble frequencies (6 dB at 2 kHz) and aects only the Rhythm
Channel.
(17) CRUNCH SELECT SWITCH
Boosts the gain of the Rhythm channel to create a medium distortion or in between tone. Depress to
the “in” position to activate.
(22/2) RESONANCE / PRESENCE
Unique to Peavey instrument ampliers, the Resonance control (22) can be set to boost the gain of
the power amp in the low frequencies at the resonance/attenuation point of the speaker cabinet. In
simple terms, the Resonance control works like a low EQ to oset low- end frequency drop out. The
Presence control (23) works in the same manner, boosting the high frequencies. Experimentation
using your particular speaker cabinet, along with personal taste, will determine your setting for these impor-
tant controls.

POWER AMPLIFICATION
SECTION
RATED POWER AND LOAD:
120 W RMS into 16, 8, or 4 ohms
POWER @ CLIPPING:
(Typically @ 5% THD, 1 kHz, 120 V AC
line)
130 W RMS into 16, 8, or 4 ohms
(Bias must be reduced to measure.)
FREQUENCY RESPONSE:
+0, -3 dB, 50 Hz to 20 kHz @ 100 W
RMS into 8 ohms
HUM AND NOISE:
Greater than 75 dB below rated power
POWER AMP EQ:
Active Presence: +10 dB @ 2 kHz
Active Resonance: +10 dB @ cabinet
resonant frequency
POWER CONSUMPTION (Domestic):
400 watts 50/60 Hz, 120 V AC
(Domestic)
TUBE COMPLEMENT:
6-12AX7 preamp tubes
(1 for clean/crunch, 3 for Lead, 1 for
EFX and 1 phase splitter
4-6L6GC
PREAMP SECTION
The following specs are measured @
1 kHz with the controls preset as follows:
Low and High EQ @ 10
Mid EQ @ 0
Bright out
Lead and Rhythm Posts @ 10
Presence and Resonance @ 0 dB
Nominal levels with Pre Gains @ 5
Minimum levels with Pre Gains @ 10
PREAMP INPUT:
Impedance: Very high Z, 470K ohms
Lead Channel (with channel select in):
Nominal Input Level: -60 dBV,
1 mV RMS
Minimum Input Level: -76 dBV,
.15 mV RMS
Clean Channel (with channel select out):
Nominal Input Level: -30 dBV,
30 mV RMS
Minimum Input Level: -34 dBV,
20 mV RMS
Maximum Input Level: 0 dBV,
1.0 V RMS
(Subtract 24 dB with Crunch switch in.)
EFFECTS SEND:
Load Impedance: 47 k ohms or greater
Nominal Output: -10 dBV, 300 mV RMS
EFFECTS RETURN:
Impedance: Very High Z, 470 k ohms
Designed Level: -10 dBV, 300 mV RMS
PREAMP OUT:
Load Impedance: 47 k ohms or greater
Nominal Output: +10 dBV, 3 V RMS
REMOTE FOOTSWITCH:
Special 3-button unit with LED indicators
(supplied)
Channel select and reverb
SYSTEM HUM AND NOISE @
NOMINAL LEVEL (clean channel):
(20 Hz to 20 kHz unweighted)
Greater than 63 dB below rated power
EQUALIZATION:
Custom Low, Mid, and High passive type EQ
Push Bright (Rhythm Channel only)
+6 dB @ 2 kHz
Push Crunch (Rhythm Channel only)
Increases gain
DIMENSIONS (H x W x D):
10" x 26.625" x 11.75"
(25.4 cm x 67.6 cm x 29.8 cm
WEIGHT:
48.3 lbs. (21.91 kg)
Features and specifications subject to change without notice.
7
5150®II
SPECIFICATIONS
TUBE STAGES
LEAD
PRE
RHYTHM
PRE
TUBE STAGE
INPUT
LOW MID HI POST
LOW MID HI POST
TUBE STAGES
PUSH
BRIGHT
PUSH
CRUNCH
FOOTSWITCH
SWITCH
LOGIC
CHANNEL
SELECT
FOOTSWITCH
TUBE BUFFER
SWITCH
LOGIC
FOOTSWITCH
EFFECTS
SEND
RETURN
TUBE STAGES
PREAMP
OUT
TUBE
POWER
AMP
SPEAKER
OUTPUTS
IMPEDANCE
SWITCH
SWITCH
LOGIC
RESONANCE PRESENCE
LEAD
RESONANCE PRESENCE
RHYTHM
SIGNAL FLOW BLOCK DIAGRAM
5150®II
BLOCK DIAGRAM
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Logo referenced in Directive 2002/96/EC Annex IV
(OJ(L)37/38,13.02.03 and defined in EN 50419: 2005
The bar is the symbol for marking of new waste and
is applied only to equipment manufactured after
13 August 2005
www.peavey.com
Warranty registration and information for U.S. customers available online at
www.peavey.com/warranty
or use the QR tag below
Features and specications subject to change without notice.
Peavey Electronics Corporation 5022 Hartley Peavey Drive Meridian, MS 39305 [phone]FAX [phone]