Consoles 921
Figure 25-92. Monitor audio path (desk end).
Return differential input amplifiers
All op-amps TL071
diodes 1N4148
NPN transistors BC169C
PNP transistors BC2586
Return from rack
From desk mono output (mono sum of main deks output)
DIM
(17 dB)
Phase
reverse
Split
10 k 7
log dual
Main left
Main right
Mute
Monitor level
Loudspeaker
selecter
Mono
A
B
A
B