Beyerdynamic MA 212 User Manual
42
9.
Top view of the Printed Circuit Board
(1)
Priority attenuation 0 to -40 dB
(2)
Slave out / Extension output
1 = Microphone master
2 = Microphone and line master before insert and volume control
3 = Microphone and line master after insert and volume control
1 = Microphone master
2 = Microphone and line master before insert and volume control
3 = Microphone and line master after insert and volume control
(3)
SEND
1 = Before sound control
2 = After sound control
1 = Before sound control
2 = After sound control
(4)
Fuse A/F (5 A/F)
(5)
DC control
(6)
Quiescent current control
CAUTION: Changes of the adjusted DC or quiescent current must only
be carried out by authorized service personnnel.
CAUTION: Changes of the adjusted DC or quiescent current must only
be carried out by authorized service personnnel.
(7)
Phantom power adjustable 0 to 24 V
(8)
Phantom power test point
(9)
Bridge resistors (if the ducking function is to be activated they have to be
soldered on one side)
soldered on one side)
Phantom
TP
TP
SLAVE OUT
SEND
3
2
1
2
1
GAIN GAIN GAIN
Phantom
V
oltage
BIAS
1
2
2
Talkover
Level
(1)
(2)
(3)
(6)
(7)
(8)
(9)
DC
OFFSET
OFFSET
(4)
(5)