Microphone courtesy of Dick Turpin-Jamie.
The Astatic Model 539-6 "Super Talk Power" noise cancelling microphone.
"A high output ceramic microphone for effective use in noisy locations. Features 360 degree differential cancellation of background noise for sharp clear speech. Has lip bar to maintain the uniform close spacing necessary for consistent high output modulation - highly recommended for mobile CB, Ham, and SSB.
A six wire coiled cord allows for relay, electronic or virtually any type hookup with almost any transmitter/transciever."
The above description from the paperwork supplied with this microphone.
Output figures believed to be in the region of -60dB [Ref 1 volt/microbar @ 1/8"]
Frequency response believed to be 100Hz ~ 3500Hz.
1 comments:
I'm trying to rewire one of these, would you have the wiring diagram by any chance?
Thanks,
Jeff
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