Re: RCA/Shure Model # MI-559156
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Hi Bob
When I searched Google for:
"MI-559156" filetype:pdf
Two results came up:
Shure OEM Model Prefixes
PDF
MI-559156. 344A4611. 122037. 209468P3. GE. 559853D1. 99A86. 99B86. Base station, 6418, RCA, 97B140D (444var.?) Condenser, amplified, DTMF, handheld, Ericsson/GE ...
South Hills Amateur Radio Club
RCA ?(Courtesy of the RCA and the RCA 500 Series two-way radio forum.)
MI-559156-(4 COND. STK. #241762) TERM. A, B, C & D. MI-559156-A(6 COND. STK. #241763) TERM. A, B, C, D & F. MI-559156-A1(8 COND. STK. #244033) TERM. A, B, C ...
The RCA500mic.pdf contains some MI-559156 relateded amplifier circuits.?
For more information and if other micbuilders don't have any more details on the MI-559156, you can try contacting the South Hills Amateur Radio Club in Pennsylvania. If you're lucky, they may ask their members for a (copy of) a manual or schematic diagrams. at
Hope this helps!
Heinz?
Greetings,
I've a RCA/Shure Model # MI-559156 that I am trying to find a schematic or user manual for.
This mic looks like a 444 or 444D & has a Shure Brothers sticker on the bottom but has some unique circuit construction in the base.
The mic element has only 2 connections so it is not the 444D element.
There are 3 or 4 resistors & a capacitor inside the base and has black, white, red, green cable wire.
I did search old messages here & the interweb but haven't found anything.
I also contacted Shure to no avail.
This is my last hope!
?
73 Bob
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