0
10
VOLUME
0
10
BASS
0
10
MIDDLE
0
10
TREBLE
CLEAN
0
10
REVERB
0
10
MASTER
PHONES
POWER
ON
ST-6012
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING:
TO REDUCE THE RISK OF
FIRE OR ELECTRICAL SHOCK, DO NOT
EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE
CAUTION:
TO REDUCE THE RISK OF
FIRE, REPLACE ONLY WITH THE SAME
TYPE OF FUSE.
S/No.:
CC
LINE OUT
LEVEL
LEVEL LEVEL
ST-6012
All-Tube Professional Amplifier
FOOT SW
GAIN &
CHANNEL
REVERB
8
STANDBY
ON
All-Tube Professional Amplifier
MASTER
12
13
14
15
16
17
18
19
20
EFFECTS
SEND
2
27
28
29
30
32 33 34
31
RETURN
0
10
VOLUME
0
10
BASS
0
10
MIDDLE
0
10
TREBLE
CLEAN
0
10
REVERB
0
10
MASTER
PHONES
POWER
ON
ST-6012
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING:
TO REDUCE THE RISK OF
FIRE OR ELECTRICAL SHOCK, DO NOT
EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE
CAUTION:
TO REDUCE THE RISK OF
FIRE, REPLACE ONLY WITH THE SAME
TYPE OF FUSE.
S/No.:
CC
LINE OUT
LEVEL
LEVEL LEVEL
ST-6012
All-Tube Professional Amplifier
FOOT SW
GAIN &
CHANNEL
REVERB
8
STANDBY
ON
All-Tube Professional Amplifier
MASTER
12
13
14
15
16
17
18
19
20
EFFECTS
SEND
2
27
28
29
30
32 33 34
31
RETURN
5
27. FOOTSWITCH – REVERB INPUT JACK:
Connects
footswitch to turn Reverb On/Off.
28. FOOTSWITCH – GAIN AND CHANNEL SWITCH:
Switch
between Gain 1 and Gain 2 in the overdrive Channel. Also
switches between clean and overdrive channel.
29. EFFECTS – RETURN JACK:
Connects the ST-6012 to the
output of an effects unit.
30. EFFECTS – RETURN LEVEL:
Controls the input level of the
returning signal from an effects unit.
31. EFFECTS – SEND LEVEL:
Controls the sending level output
to an effects unit.
32. EFFECTS - SEND JACK:
Connects to the ST-6012 to the
input off an effects unit.
33. LINE OUT LEVEL CONTROL:
Controls the output level of
the Line Out Level.
34. LINE OUT JACK:
Connects the ST-6012 to an external line-
level device such as a mixing board.
of the clean channel. Adjusting the volume control enables you to
produce sparkling clean sounds to crunchy, dirty blues. Lower
settings will produce pure clean tones. Turning this control clock-
wise will gradually produce moderate distortion.
13. CLEAN CHANNEL – BASS:
Adjusts the amount of low
frequency boost or cut as desired in the clean channel. Adding
bass will increase the warmth of your sound.
14. CLEAN CHANNEL – MIDDLE:
Adjusts the amount of mid-range
frequencies as desired in the clean channel. Turning the middle
control clockwise will increase the amount of punch in your
sound. Setting the control all the way to the left will make your
music sound more hollow.
15. CLEAN CHANNEL - TREBLE:
Adjusts the amount of high
frequency boost or cut as desired in the clean channel. Turning
the Treble control clockwise will sharpen your sound,
alternatively, turning the control counterclockwise softens your
sound.
16. REVERB CONTROL:
Adjusts the amount of reverb produced by
the amplifier. To increase the amount of reverb turn clockwise.
17. MASTER VOLUME:
Controls the overall signal level of the
ST-6012. To increase the overall signal and/or volume, rotate
the control clockwise. The Master volume control allows you to
preset the output levels of both the Clean and Overdrive
Channels.
18. INPUT / PHONE JACK:
Connects headphones to the ST-6012.
19. STANDBY ON/OFF SWITCH:
Allows the ST-6012 to remain
turned ON for limited periods of inactivity without the risk of
damaging / over-heating the amplifier tubes. When the Standby
switch is in the STANDBY position the ST-6012 is in a non-
operational setting. When in Standby the tubes remain
hot and ready for use. When the Standby switch is in the
ON position the ST-6012 is operational and should not be left
inactive. DO NOT turn on the ST-6012 or have the Standby
switch set to ON without it connected to a loudspeaker.
20. POWER ON/OFF SWITCH:
Turns the ST-6012 on and off.
Do not attempt to service the ST-6012 by
yourself. Refer all servicing to a B-52
Authorized dealer. Service is required when
the ST-6012 has had liquid spilled on it or
has been damaged in any way, the amplifier
has been exposed to rain or moisture, does
not operate normally or has been dropped.
AMPLIFIER PRECAUTIONS
