Black Box HG-2 - CONTROLS; Front Panel Controls

2
ANALOG DESIGN
WHAT DOES THIS BUTTON DO?
CONTROLS
1
2
3 4
5
6
7
8
9
10
11
48 volt Phantom power fed by an isolated, regulated, linear supply
Phase switch
5 position, low end roll-o selector
Pentode gain control
Pentode “Tone / Boost”
Triode “Tone / Boost”
VU output meter: calibrated to -18
Triode gain control
Mic / D.I. Switch
3 way power switch with O/Standby/On positions: Standby mode sends
power to the tube heaters and LEDs
1
Input impedance selector: Impedance is switched by tapping into the
transformer at dierent points in the winding
2
3
4
5
6
7
8
9
10
11
Instrument input
Passive output attenuation
12
13
12
13