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INSIDE THIS INSTRUCTION MANUAL
Important Safety Instructions / Features.....2
Product Information.......................................3
AT-212 Controls..............................................4-5
Set-up & Warranty Information .....................5-7
Contact Information .......................................8
CAUTION
CAUTION
RISK OF ELE
CTRIC 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 AT-212 without the
loudspeaker connected.
6) Do not use the AT-212 near water. Be extra
cautious when moving the AT-212 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 AT-212 amplifier.
11) Only use attachments / accessories specified
by B-52 Professional.
12) Unplug the AT-212 during lightning storms
and when not in use.
13) Refer all servicing to qualified personnel.
Servicing is required when the AT-212 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 AT-212 to rain or moisture.
15) Moisture can damage the AT-212 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
AT-212.
17)
Never remove the front or rear panels of
the AT-212 while it is connected to an
electrical outlet.
IMPORTANT SAFETY
INSTRUCTIONS!
This AT-212 is a 3-channel, all-tube, tri-mode rectified combo
that gives you unparalleled tone and astounding versatility.
The clean channel yields sparkling vintage tone that stays
clean even at high volume. The overdrive section features 2
independent high-gain channels and independent volume
controls with a shared 3-band EQ. The assignable contour
(mid-scoop) control gives you the ability to make each over-
drive channel sound radically different. The Global section
features Low-Res (Resonance), Reverb and Master Volume.
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All-Tube Signal Path
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Tri-Mode Rectifier: Tube - Class A or AB,
Solid-State - Class AB
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Overdrive Channel: Gain 1 and Gain 2
Each with Independent Master Volumes,
3-Band EQ, Assignable Contour Control
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Clean Channel: Master Volume, 3-Band
EQ and Bright Switch
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Global Controls: Volume, Low-Res
(Resonance) and Reverb
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Effects Loop with Level Controls (Footswitchable)
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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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4-Position Footswitch: Channel, Gain,
Reverb and Effects Loop
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Ground Lift Switch
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Rugged 18mm Baltic birch construction
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Detachable casters for easy transport
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Dimenisons: 27” (W) x 11” (D) x 21” (H)
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Weight: 80lbs.
AT-212 ALL-TUBE COMBO
