Be careful between the handsets TS-9, TS-13, HS-23 and TS-15.  The the transmitter parts of those handsets have different impedances. 

Mark D. 

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

Sent from my iPhone

On May 2, 2026, at 7:31 PM, Jeep Platt via MRCA <[email protected]> wrote:


I'd bet one could fairly easily sell a total lot of 100 adaptors..

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From: [email protected] <[email protected]> on behalf of ac2eu--- via MRCA <[email protected]>
Sent: Saturday, May 2, 2026 7:27:04 PM
To: Military Radio Collectors Association <[email protected]>; B. Smith <[email protected]>
Subject: Re: [MRCA] T-17
 
The only caveat with the electret adaptor board is that whatever it is used on needs to have at least 6 volts open circuit bias on the carbon.
Most radios meet this criteria, except the BC654 and maybe the BC1000 which only have a 1.5V bias.

On Wednesday, April 29, 2026 at 08:06:21 PM EDT, B. Smith via MRCA <[email protected]> wrote:


The Air Show and Military Rally season has started. Perhaps it is time to consider an overhaul or repair of your T-17. There are several mods for more consistent output unless you enjoy banging the T-17 on the side of the table. That black taped telephone button repair is kind of tacky.
Z
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