[Milsurplus] TBX-8 Microphone

[James Benedict]

What resistance carbon mic should be used with the TBX-8 WWII transceiver. A Shure 104C is about 500 ohms and the TBX audio transformer is 100 ohms. The TBX-8 uses 12 volts DC. A telephone carbon mic element is about 150 ohms and a WWII T-17 is about 200 ohms.

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