[Milsurplus] TBX-8 Microphone

[James Benedict]

Another TBX-8 question. My TBX-8 dead keys 12 watts and modulates to 18 watts. Should the TBX-8 provide more peak modulated output? Mic volume is turned up to maximum and mic is 150 ohms.

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From: milsurplus-bounces at mailman.qth.net <milsurplus-bounces at mailman.qth.net> on behalf of James Benedict <jamesbenedict01 at hotmail.com>
Sent: Friday, August 21, 2020 5:51 AM
To: milsurplus at mailman.qth.net <milsurplus at mailman.qth.net>
Subject: [Milsurplus] TBX-8 Microphone


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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