2
INSIDE THIS INSTRUCTION MANUAL
Important Safety Instructions /
Features...............................................................2
Important Information ........................................3
ST-100A 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-100A without the
loudspeaker connected.
6) Do not use the ST-100A near water. Be extra
cautious when moving the ST-100A 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-100A amplifier.
11) Only use attachments / accessories specified
by B-52 Professional.
12) Unplug the ST-100A during lightning storms
and when not in use.
13) Refer all servicing to qualified personnel.
Servicing is required when the ST-100A 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-100A to rain or moisture.
15) Moisture can damage the ST-100A 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-100A.
17)
Never remove the front or rear panels of
the ST-100A while it is connected to an
electrical outlet.
IMPORTANT SAFETY
INSTRUCTIONS!
This B-52 Stealth Series ST-100A has a 100% pure, all-tube
signal path, incredible tone and a wide array of guitarist friend-
ly features. It combines Russian Sovtek 6L6 power tubes with
12AX7 preamp tubes for solid tube tone and classic breakup.
This roadworthy head 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.
●
1/4” high input jacks
●
Overdrive channel with gain 1, gain 2 with contour, 3-band
EQ and level control
●
Clean channel with level control and 3-band EQ
●
Master volume and reverb
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Rugged foot switch for channel select, reverb on/off and
gain select
●
Push switch for channel and gain select
●
Headphones line out
●
Effects send and return with level controls
●
Line out with level control
●
Selectable external speaker jacks
●
Ground lift switch
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Rectifier select switch for: Tube A, Tube AB1 and
Solid-State
●
27” x 11” x 11” (W x H x D)
●
Weight: 52 lbs.
ST-100A FEATURES
SOVTEK TUBE CHART
Power Tubes:
4 x 6L6
Preamp Tubes:
5 x 12AX7
Reverb Tube:
1 x 12AT7
Rectifier Tube:
1 x 5AR4
