[Milsurplus] SIMPLE Carbon Microphone Substitute.

[hwhall at compuserve.com]

"The TMN1004B Desk Microphone contains a microphone and preamplifier circuit board..."

According to the schematic diagram the mic element is an electret & the amp uses 2 transistors.

 

 Wayne
WB4OGM

 

-----Original Message-----
From: Laura and Jim <mcenfalz at humboldt1.com>
To: milsurplus <milsurplus at mailman.qth.net>
Sent: Sun, May 29, 2016 12:10 am
Subject: Re: [Milsurplus] SIMPLE Carbon Microphone Substitute.

NIB 1970's vintage Motorola TMN-1004B is what I use for my BC-375-E and 
TCS-8. Wired it to a standard mic plug. Direct plug and play.
Here's one -
http://www.ebay.com/itm/Motorola-TMN1004B-Base-Station-Microphone-/141611251383

Doesn't "look authentic" but works like a champ when you want to be heard.

73 DE JIM K6FWT

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