B-52 ST60A User Manual
CAUTIONCAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
IMPORTANT SAFETY
INSTRUCTIONS!
1) Read these instructions.
2) Follow all instructions.
3) Keep these instructions.
4) Heed all warnings.
DO NOT turn on the ST-60A without the
5)
loudspeaker connected.
6) Do not use the ST-60Anear water. Be extra
cautious when moving the ST-60A 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. Agrounding-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-60Aamplifier.
11) Only use attachments / accessories specified
by B-52 Professional.
12) Unplug the ST-60A during lightning storms
and when not in use.
13) Refer all servicing to qualified personnel.
Servicing is required when the ST-60A 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-60Ato rain or moisture.
15) Moisture can damage the ST-60A 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-60A.
Never remove the front or rear panels of
17)
the ST-60A while it is connected to an
electrical outlet.
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INSIDE THIS INSTRUCTION MANUAL
Important Safety Instructions / Features.........2
Product Information...........................................3
ST-60A Controls..................................................4-5
Set-up & Warranty Information.........................5-7
Contact Information...........................................8
ST-60A FEATURES
This B-52 Stealth Series ST-60Ahas a 100% pure, all-tube
signal path, incredible tone and a wide array of guitarist
friendly 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” 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
●
Rugged foot switch for channel select, reverb on/off and
gain select
●
Push switch for channel and gain select
●
Headphones line out
●
Line level send and return with level controls
●
Line out with level control
●
Selectable external speaker jacks
●
Ground lift switch
●
Rectifier select switch for: Tube A, Tube AB1 and
Solid-State
●
Dimensions: 27” x 11” x 11” (W x H x D)
●
Weight: 51 lbs.
SOVTEK TUBE CHART
Power Tubes: 4 x 6L6
Preamp Tubes: 5 x 12AX7
Reverb Tube: 1 x 12AT7
Rectifier Tube: 1 x 5AR4
HEED ALL WARNINGS!
WARNING: To reduce the risk or fire or
electrical shock do not expose this
equipment to rain or moisture.
ST-60A 60-WATT ALL-TUBE LEAD GUITAR AMPLIFIER!
Thank you for choosing the B-52 Stealth Series ST-60A amplifier. This
guitar amplifier is perfect for guitarists of every level. Whether you are
playing to a stadium crowd of 50,000 or practicing at home in your garage,
the ST-60A will produce awesome crunch, smooth mids and crystal-clean
highs. It is also capable of producing massive amounts of distortion, perfect
for any style from blues to metal.
This instruction manual explains all that the ST-60A has to offer, how to
operate and control each feature so you can achieve the sound you desire.
B-52 HIGHLY recommends that you read this manual carefully and,
please, heed all warnings.
B-52 Stealth Series Speaker Cabinets
(Recommended for use with ST-60A)
ST-412V - 280-Watt RMS Cabinet - Slant
ST-412S - 280-Watt RMS Cabinet - Straight
ST-212S - 140-Watt RMS Cabinet - Straight
The B-52 ST ST-412V and ST-412S are a perfect
complement to the ST-60Aall-tube amplifier. They
offer awesome tone and incredible projection.
With four
cabinets provide tight bass, fat mids, and smooth
harmonically rich highs. The ST-212S provides
similar tonal qualities in a 2x12” cabinet.
FEATURES:
●
4 x 70 Watt Celestion Vintage 30 speakers
●
Black Grille Cloth/white piping
●
Metal handles and rubber feet
●
Detachable casters
●
Distinctive black vinyl finish.
(Matches ST-series amplifiers)
B-52 Stealth Series amplifiers and speakers, including the ST-60A, are capable of producing sound pressure levels (SPL)
sufficient to cause permanent hearing damage to performers, production crews or people in the audience. Hearing protection devices such ear-plugs are recommended. Caution should be taken to avoid extended SPL is excess of 90 dBA.
Celestion Vintage 30 speakers, these
ST-212S
HEARING DAMAGE, PROLONGED EXPOSURE TO EXCESSIVE SPL
ST-412V
ST-412S
AMPLIFIER MODULE PRECAUTIONS
Do not attempt to service the ST-60Aby yourself. Refer all servicing to a B-52 Stealth Series Authorized dealer. Service is
required when the ST-60Ahas had liquid spilled on or inside the unit, has been damaged in any way, has been exposed to
rain or moisture, does not operate normally or has been dropped.
WARNING - SHOCK HAZARD:
To reduce the risk of fire or electrical shock, do not expose this unit to rain or moisture. Do not operate your ST-60Anear a
pool or other standing water. Make sure all blades on the polarized power plug are fully inserted into the power source.
Ensure the power cord is not stretched, pinched or otherwise abused. Ensure the power cord is routed to avoid foot traffic.
Your ST-60A amplifier should be cleaned only with a dry cloth.
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