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31
Pin assignment of microphone socket
Audio sensitivity
The transmitter’s audio sensitivity can be adjusted over a range of 70 dB (+40 dB to –30 dB) in
steps of 1 dB. The diagram below shows the sensitivity range of the SK 5212-II in comparison to
the earlier product generations SK 50 and SK 5012.
AF socket
Pin 1: +5.2 V for external special microphones
Pin 2: AF and 5.2 V AB-powering; 8.2
kΩ internal resistance, optimized for
Sennheiser pre-polarized condenser microphones.
Pin 3 and
thread: ground
1
2
3
40
24
42
16
1
6
12
18
24
30
36
8
8
16
30
SK 50
SK 5012
SK 5212-II
0...42 dB
–16...+24 dB
–30...+40 dB
Switch position