b-52 st60a 用户手册

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CAUTION

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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-60A without the

loudspeaker connected.

6) Do not use the ST-60A near 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. 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-60A amplifier.

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-60A to 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.

17) Never remove the front or rear panels of

This B-52 Stealth Series ST-60A has 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

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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.

Power Tubes:

Preamp Tubes:

Reverb Tube:

Rectifier Tube: