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INSIDE THIS INSTRUCTION MANUAL
Important Safety Instructions / Features .........2
Product Information ...........................................3
ST-6012 Controls ................................................4-5
Set-up & Warranty Information .........................5-7
Contact Information ...........................................8
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
HEED ALL WARNINGS!
WARNING:
To reduce the risk or fire or
electrical shock do not expose this
equipment to rain or moisture.
1) Read these instructions.
2) Follow all instructions.
3) Keep these instructions.
4) Heed all warnings.
5)
DO NOT
turn on the ST-6012 without the
loudspeaker connected.
6) Do not use the ST-6012 near water. Be extra
cautious when moving the ST-6012 during
rain or while transporting it over wet surfaces
as water might splash onto the amplifier.
6) Clean only with dry cloth.
7) Do not block any ventilation openings and
operate in accordance with manufacturer’s
instructions.
8) Do not install near heat sources such as
radiators, stoves or other devices that may
produce heat.
9) Do not defeat the safety purpose of the
polarization 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 is provided for your
safety. If the provided plug does not fit your
outlet, consult an electrician for replacement
of the obsolete outlet.
10) Protect the power cord from being walked on
or pinched, particularly at the plug and the
point where it exits the ST-6012 amplifier.
11) Only use attachments / accessories specified
by B-52 Professional.
12) Unplug the ST-6012 during lightning storms
and when not in use.
13) Refer all servicing to qualified personnel.
Servicing is required when the ST-6012 has
been damaged in any way such as when
power-cord or plug is damaged, liquid has
been spilled into the amplifier, the unit has
been exposed to moisture or rain, does not
operate normally, or has been dropped.
14) To reduce the risk of fire or electric shock, do
not expose the ST-6012 to rain or moisture.
15) Moisture can damage the ST-6012 and can
cause corrosion of electrical contacts.
16) Keep the unit out of extended or intense
direct sun light. No containers filled with any
type of liquid should be placed on or near the
ST-6012.
17)
Never remove the front or rear panels of
the ST-6012 while it is connected to an
electrical outlet.
IMPORTANT SAFETY
INSTRUCTIONS!
This B-52 Stealth Series ST-6012 has a 100% pure,
all-tube signal path, incredible tone and a wide array of
guitarist-friendly controls and features the legendary
Celestion Vintage 30 loudspeakers. It combines Russian
Sovtek 6L6 power tubes with 12AX7 preamp tubes for solid
tube tone and classic breakup. This roadworthy combo
provides serious musicians with monstrous gain, extreme
levels of distortion and a sparkling clean channel.
Selectable solid-state or tube rectification through a
Sovtek 5AR4 ensures complete tonal authenticity.
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All-Tube signal path
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2 x 12" Celestion Vintage 30s
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Overdrive Channel: Gain 1, Gain 2 with contour,
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3-band EQ and level control
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Clean Channel: Level control and 3-band EQ
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Rectifier Select: Tube AB1, Tube A and Solid-State
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Line level send and return with level controls
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Pushswitch for channel and gain select
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Porcelain tube sockets for increased reliability
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Master volume
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Spring reverb
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Headphones line out
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Line out with level control
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Selectable 4/8/16 ohms external speaker jacks
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Ground lift switch
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Rugged footswitch for channel select,
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Reverb on/off and gain select
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Rugged 18mm Baltic birch construction
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Detachable casters for easy transport
27” x 21” x 11” (W x H x D)
Weight: 73 lbs.
ST-6012 FEATURES
