What Does This Button Do - Black Box MM-1 Manual

CONTROLS

WHAT DOES THIS BUTTON DO?

80
40 120
160
ON
2
1
Low Cut
OFF
RESPONSE
7
PAD IMP 48v O
3 4 4 5 5 6
3 way power switch with Off/Standby/On positions: Standby mode sends
1
power to the tube heaters and LEDs
5 position, low end roll-off selector
2
10db input pad
3
Input impedance selector: Impedance is switched by tapping into the
4
transformer at different points in the winding.
48 volt Phantom power fed by an isolated, regulated, linear supply
5
Phase switch
6
Pentode gain control
7
8
"Response" selection
9
"Air" engages the air circuit from the HG-2 (10k harmonic shelf )
Triode gain control
10
Instrument input
11
Passive output attenuation
12
4
8 9
11
AIR
10
INST
MM-1
14
12
Microphone input
14
Balanced, line level output
15
Voltage selection switch
16
Master on/off switch: In the "off" position, no power will reach the face plate
17
and the front panel power switch will be inoperable. Be aware that in the
"on" position, power is present inside the box even when the power switch
on the front panel is in the "off" position.
2AG power fuse: Replace only with the same rating fuse (2amp)
18
15
17 18
110
16
5