Brunetti METROPOLITAN 810 SOUND ROAD User manual

By reading this manual you will deeply know the device you bought and will have the chance to
fully experience its potential. Our sets are handmade. This is why you could nd some sound and
structural dierences. This testies the handmade making of the product.
OWNER’S MANUAL

DUAL CHANNEL PREAMP:
Clean channel: VOLUME & TONE controls
Drive channel: GAIN, TEXTURE, AIR & VOLUME controls
CHANNEL remote switch
SPEAKER ON/OFF manual switch
POWER AMP: 10W (with EL84 tubes) AB class
Automatic POWERLIMIT®
SPEAKER: 8” Jensen Custom Brunetti
EXTERNAL SPEAKER: rear output 8/16 Ohm for added speaker
RECORDING/HEADPHONES output: SPEAKER EMULATOR with INTERNAL DUMMY LOAD
TUBES: 1x 12AX7/ECC83 + 2x EL84
STRUCTURE: Chassis & panels in laser-cut iron/steel INOX
ELECTRONIC: WIMA “Red Series”MKP condensers, sealed relays, low noise lm resistors
DIMENSIONS: L 330 mm, H 370 mm, P 250 mm
WEIGHT: 8,5 Kg
BOX CONTENT: power cable, channel switch, owner’s manual, waterproof cover
CONGRATULATION ON YOUR CHOICE!
With METROPOLITAN you’re now in the big Brunetti family!
When I started thinking about this little jewel I didn’t
imagine I’d have to work so hard to make it!
My thought was “dimensionally” related to its small size, but
I was resolute to build an extreme quality combo.
At this point I had to face with reality, spending time and strenght
to give Metropolitan the adjective it deserves: UNIQUE!
Size, the 8” speaker and its lightweight are not enough to
represent how Metropolitan can express itself…
We compared it many times with much bigger & powerful
systems, but we knew that the struggle was uneven.
The verdict left us with no words:
Metropolitan could fight with bigger systems.
We found the way to realize what all guitarists really miss:
a small amplifier that souds great at home, in the studios
and live, all in a small package and weight!
Marco Brunetti
SPECIFICATIONS

WARNING!!
The tube 12AX7/ECC83 is long-lasting. Replace it only if necessary and with identical
or equal models and choose only high quality products (SINO China, TAD, Tung-Sol)
WARNING!!
Please refer to the manufacturer for all repairs and tubes replacement to
insure the correct working of the preamplier. It does not exist service centres
licensed by Brunetti Marco & C. The manufacturer declines all responsibility for
malfunctioning due to assistance not provided or authorized by Brunetti & C.
The cliché wants that good sound quality of a guitar rig is proportional to its size.
Metropolitan transform this idea by supplying a sound worthy of all head/cab rigs with its 8 Kg in 33 x 25 x 37 cm!
The heart of the structure is a custom 8” speaker set in a tuned birch cab intentionally resonant. Metropolitan adds its EL84 10W
well articulated on a range of soft and balanced frequences. The channels are so versatile that you won’t think to deal with a compact
amplier. You can really feel and touch on your strings the creamy and uid tones.
The clean channel, with his WARM/SHINE control doesn’t fear dynamics in spite of power, and the drive channel, with his TEXTURE
& AIR controls, will give you unlimited excitement! The equalization control of this channel is totally new, never experimented by us
and by other manufacturers.
A very useful and important feature is the headphone/recording output that enables you to disconnect the speaker and play in
complete silence. Metropolitan is equipped with a high quality circuit to emulate a cabinet inclusive of a 1W amp. It’s now possible to
play at home without disturbing anyone else and without loss of sound quality.
The Metropolitan circuit introduces a great innovation, reducing size and weight and assuring absolute quality.
In other words, thanks to all its merits Metropolitan cross the frontier of the small size sure of succeeding!
DESCRIPTION aND CONTROLS
WARNING!!
Power Tubes EL84 FUSE is inside the amp
Refer to the manifacturer for support

FOOTSWITCH jack for
channel switch
GUITAR input
Clean channel
VOLUME control WARM/SHINE control:
From bluesy/jazzy
up to funky tone
GAIN control
AIR:
High frequency control,
it works related to the
TEXTURE control position
TEXTURE control:
CHROME for huge low end
and dened top end.
PLEXI for warmer mid/lo
and smoother top end
Drive channel
VOLUME control
Speaker simulated
stereo output for
headphones and
mixer/recording. It’s
always working
“MUTE” SWITCH to exclude
internal speaker:
SPEAKER position connects
the internal 8” speaker.
LOAD position mutes the speaker
with an internal dummy load
Ventilation holes for
preamp TUBE
Ventilation holes for
power amp TUBES
Check the correct line
voltage before switch on!
External speaker 8/16ohm
jack. By selecting SPEAKER on
the switch both speakers work
together. By selecting LOAD,
only the external speaker works

Tubes used to preamplify signal hardly wears out and are long-lasting. Problems are connected mostly
to microphonics and noise.
Microphonic is the skill of the tube to reproduce the signal and external vibrations. This is clearer on high
gain stages as distorted channels of modern guitar ampliers. When the amp on and the load correctly
connected try a gentle pattering on the glass of tubes. You will hear a noise and a “bump” through the
speaker. It is normal.
Microphonic is obvious because you could hear annoying high frequencies (buzzing and triggers) and
sometimes a distortion of the sound. The rst tube (V1) is tending to reproduce this noise more than the
others, and it is normal because it is the rst on the preamp chain.
Furthermore tubes have an intrinsic quality of background noise due to functioning. During life of tubes
the noise could increase a lot causing crackling, buzzing etc. Once you detect the faulty tube you have
to replace it with a new one.
Preamp tubes do not require to be electrically selected (this is made by manufacturer) but they must be
high quality tubes.
Final stage tubes are the last stage of amplication (before output transformer and speakers) and they
are subject to more wearing out than preamp tubes. They last an average of 800/1000 hours operating
in class AB and depending on volumes you reach when playing. On an amp of the same power operating
in class A they could last 600/800 hours. This tubes are subject to a greater stress.
WHEN TO REPLACE TUBES
It is possible to acknowledge a worn-out tube when you notice a general loss of power, and volumes,
sound is not so strong and you can detect a loss of low frequencies.
Troubles of this type of tubes are:
– A tube internal short circuit which makes the high voltage fuse to burn;
– The tube doesn’t light. This is easily detectable by looking at the internal lament of the tube;
– Tube becomes white-hot. The background sound of the amp increases too much (hum) and looking
at the internal lament will conrm the fault.
In all cases it is necessary to replace the faulty tube. If your tube is not a new one, at least one year old,
we recommend to replace all tubes. This is to improve the performance of your amp. Otherwise you can
replace just the faulty one.
WARNING!!
Place only balanced tubes (couple or quartet) with the same selection quality that you can nd on the
label “Matching Reference”on the tube itself. All tubes placed on your amp must have this quality; if
you place tubes of dierent matching reference you have to adjust BIAS. This could be made only by
skilled technical sta!
INFO ON PREAMP TUBES
INFO ON POWER AMP TUBES

WARNING!!
Before any kind of cleaning/manteinance operation, disconnect the appliance from the electric
supply.
IMPORTANT INFO
– Check that power supply electricity in use is the one indicated on the sticker on the rear panel of the
appliance;
– The appliance must be earthed in conformity to the national previsions in force;
– Do not throw water jets directly on the appliance;
– Do not use water steams to clean the appliance;
– Do not use solvents to clean the appliance, especially on serigraphy;
– The manufacturer declines all responsibility for any kind of damage to persons, things and/or animals
resulting from a wrong use of the appliance;
– The appliance conformity is proved by CE symbol on the rear side;
– The manufacturer reserves the right to make any useful and essential change to the products without
compromise the main safety and working features;
– Do not use the appliance barefoot;
– Do not touch the appliance with wet or moist hands or feet;
– Do not leave the appliance exposed to sun, rain, humidity ecc..
– Do not allow children or incompetents to use the appliance;
– Do not leave inammable materials near the appliance;
– The appliance repair may be done during the warranty period only by the manufacturer in our
laboratory, or by authorized sta, in conformity to the national previsions in force;
– Control periodically all cables supplied with the appliance, if they result damaged, you have to replace
them immediately with another one with the same characteristics;
– In case of damage contact the shop where you bought the appliance.
Please, ll out the warranty form you nd on
www.brunetti.it
to validate your warranty
WARNING!!
Please refer to the manufacturer for all repairs and tubes replacement to insure the correct
working of the preamplier. It does not exist service centres licensed by Brunetti Marco &
C. The manufacturer declines all responsibility for malfunctioning due to assistance not
provided or authorized by Brunetti & C.
Brunetti Marco & C. S.a.s
Via De’Bonomini, 25/27
41100 MODENA ITALIA
Telefono: [phone]
Fax: [phone]
e-mail: [email protected] (commercial)
e-mail: suppor[email protected] (technical)
www.brunetti.it
www.brunetti.it/forum
GENERaL INFO & WaRNINGS