[Milsurplus] Unknown Microphone?

[Tom B]

Hi Robert,


See page 187 of 212 for specs on the M-58.

https://www.liberatedmanuals.com/TM-11-487M.pdf


This says it replaced the M-29 which doesn't have the same connector.   
Could this is have been a replacement for T-17 used with the GRC-9 or a 
remote like the RM-29?


Tom Bryan

N3AJA


On 8/17/2019 5:15 PM, Robert Downs via Milsurplus wrote:
>
> Jim,
>
> I don’t have the M-58/U in my database.  So can’t actually answer your 
> question except to say that I’d guess late fifties or early sixties 
>  instead of late sixties or early seventies because I don’t think 
> there was any radio still in service that would take a PL-68 or 
> PJ-068.  The microphone that replaced the T-17 was the M-52/U and 
> later the M-52A/U, which is rectangular as you describe, with straight 
> cord and PJ-068, and has the carbon element as a plug-in on the left 
> side.
>
> Robert Downs
>
>
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