Black Buff
2
Fuse
Holder
120 VAC Power
Input
Power Indicator LED
Power Switch
Tube sound control
Min. Tube sound:
Full Counter-
Clockwise
Max. Tube sound:
Full Clockwise
When turning the knob
allow the bias to settle,
approximately 3
seconds, before critical
listening. Normally
after turning the knob
the output would sound
quieter with volume
slowly increasing and
improving in clarity.
Audio
Input
Audio
Output
Heater Voltage Switch
(6.3 VDC down and 12.6VDC up)
