INPUTS
LOW
GAIN SW.
0
10
0
10
BASS
0
10
MIDDLE
0
10
TREBLE
CONTOUR
0
10
VOLUME
OVERDRIVE
0
10
GAIN2
0
10
GAIN1
CH. SW.
GND LIFT
All-Tube Professional
8 OHM / 4 OHM
LOUDSPEAKER OUTPUTS
60 WATTS RMS
16 OHMS (4 & 8 OHMS PARRALLEL JACKS)
S
HIGH
1
2
3
4
5
6
7
8
9
10
11
21
22
23
24
25
26
INPUTS
LOW
GAIN SW.
0
10
0
10
BASS
0
10
MIDDLE
0
10
TREBLE
CONTOUR
0
10
VOLUME
OVERDRIVE
0
10
GAIN2
0
10
GAIN1
CH. SW.
V
GND LIFT
All-Tube Professional
8 OHM / 4 OHM
LOUDSPEAKER OUTPUTS
60 WATTS RMS
16 OHMS (4 & 8 OHMS PARRALLEL JACKS)
S
HIGH
1
2
3
4
5
6
7
8
9
10
11
21
22
23
24
25
26
ST-6012 - Front Panel Features & Descriptions
1. INPUT CONNECTOR - HIGH:
Connects your guitar to the
ST-6012. B-52 recommends that you always use a cable that
is screened or shielded.
[Try both inputs and use the one that sounds best to you. The
bottom line is trust your ears!]
2. INPUT CONNECTOR - LOW:
Connects your guitar to the
ST-6012. B-52 recommends that you always use a cable that is
screened or shielded.
3. OVERDRIVE CHANNEL – GAIN 1:
Adjusts the amount of
distortion in Gain 1. (Activated LED indicates in use).
4. OVERDRIVE CHANNEL – GAIN SWITCH:
Push switch Selects
between Gain 1 and Gain 2 controls. Activated LED lights
indicate which channel is currently use.
5. OVERDRIVE CHANNEL – GAIN 2:
Adjusts the amount of
distortion in Gain 2. (Activated LED indicates use).
6. OVERDRIVE CHANNEL – CONTOUR:
Adjusts the overall tone
quality of Gain 2 in the overdrive channel. Low contour settings
emphasize middle frequencies. A higher setting will notch the
mid-range to produce the deep crunch sounds characteristic in
most heavy metal type music.
7. OVERDRIVE CHANNEL – BASS:
Adjusts the amount of low
frequency boost or cut as desired in the overdrive channel. Bass
is B-52’s signature. Turning this control clockwise increases
depth and low-end punch to your music.
8. OVERDRIVE CHANNEL – MIDDLE:
Adjusts the amount of
mid-range frequencies as desired in the overdrive channel.
Similar to the Clean Channel function, the O.D. Channel Middle
control adds body and punch to your sound.
9. OVERDRIVE CHANNEL – TREBLE:
Adjusts the amount of high
frequency boost or cut as desired in the overdrive channel.
Turning this control clockwise adds clarity to your sound.
10. OVERDRIVE – VOLUME:
Controls the overall signal level of the
overdrive channel.
11. CHANNEL SWITCH:
Push switch selects between the clean
and overdrive channels. Activated LED lights indicate which
channel is in use.
12. CLEAN CHANNEL – VOLUME:
Controls the overall signal level
21. AC INLET & FUSE HOLDER:
Connects AC powercord
as well as contains primary fuse.
22. 3-SETTING RECTIFIER SWITCH:
SOLID-STATE
– Gives tightest low-end definition and fastest
attack.
TUBE AB1
– Punchy, warm and tighter definition than
Tube A.
TUBE A
– “Vintage” attack and feel. Warmest sounding setting.
23. GROUND / LIFT SWITCH:
Removes ground from the
circuit to eliminate 60-cycle hum.
24. 16 OHM LOUDSPEAKER JACK:
Connects loudspeakers(s)
that require a 16 Ohm load.
25. EXTERNAL LOUDSPEAKER JACKS:
Connects the
ST-6012 to external loudspeakers such as the ST-412V or
ST-412S with a 4 Ohm or 8 Ohm load.
26. SPEAKER SELECT SWITCH:
Allows you to select appropriate
4 Ohm or 8 Ohm load loudspeakers. You must ensure that the
switch is set to appropriate impedance rating that matches your
loudspeaker. Note: Ensure that loudspeaker impedance
matches the correct jack connectors.
ST-6012 - Rear Panel Features & Descriptions
To reduce the risk of fire or electrical shock, do not expose this unit to rain
or moisture. Do not operate your ST-6012 near a pool or other standing
water. Make sure all blades on the polarized power plug are fully inserted
into the power source. Ensure the powercord is not stretched, pinched or
otherwise abused. Ensure the power cord is routed to avoid foot traffic.
Your ST-6012 amplifier should be cleaned only with a dry cloth.
WARNING: SHOCK HAZARD!
4