Beyerdynamic MA 212 User Manual

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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
(3)
SEND
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.
(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)
Phantom
     TP
SLAVE OUT
SEND
3
2
1
GAIN GAIN GAIN
Phantom
V
oltage
BIAS
1
2
Talkover
Level
(1)
(2)
(3)
(6)
(7)
(8)
(9)
   DC
OFFSET
(4)
(5)