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NuTone Intercom Photo Gallery > NuTone NM200 Intercom Circuit Boards > Nutone NM Series Microphone Circuit Board

Nutone NM Series Microphone Circuit Board

Both the NuTone NM100 and NM200 use a small Microphone Circuit Board in the Master Station (this is not used in the Remote Stations)

On this circuit board there is a small condensor microphone and a few other parts which is likely a microphone pre-amp)

This board is also used in the M&S Systems DMC1 and DMC3-4