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Thread: Wiring up a Motorola Mic to a Kenwood TS430

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  1. #1
    Join Date
    Nov 2009
    Leighton, AL (EM64fq)

    Smile Wiring up a Motorola Mic to a Kenwood TS430

    I have a Motorola mic that was given to me that I'd like to try to wire up and use on a Kenwood TS-430S HF rig... was wondering what the wiring setup would be...

    Number on bottom of mic: TMN1004A-1


  2. #2
    Join Date
    May 2009


    I think you would have better luck asking here:

    If the mic came off of a newer motorola rig. I dont think it would be possible without building an interface. IIRC, the newer motorola mics actually need 12v power for the circuitry inside them.
    "[I]Keep the Amateur in Amateur Radio. Keep the professionals and Part 90 out[/I]." Ed Brooks, W5HTW (SK)

    [B][SIZE=3]If you can't make fun of yourself, go sit in the truck :cool: - W5WPL[/SIZE][/B]

  3. #3
    Join Date
    Mar 2001
    North Olmsted, Ohio

    Default Motorola Mic

    If you decide not to use that Motorola base mic, let me know. I'll buy it from you. I have a Motorola Spectra that it would work with very well. I am ok on My call at etc. 73! de
    Last edited by WA8LGM; 05-31-2010 at 04:54 PM. Reason: bad grammar
    [FONT=Arial Black][SIZE=4][SIZE=3][FONT=Garamond]John, WA8LGM

    Hey!! Why am I in this handcart and where am I going? :mad::mad:

  4. #4


    Most MOTO mikes have a transistor preamp inside, and require a bias voltage -- about 6 volts give or take a lot -- to work.

    The output is quite high as well, far in excess of what the 430 needs.

    You could build a box with a DC feed and attenuator, but that is more stuff you wouldn't need if you would find a medium Z dynamic mic in the first place.

    The MOTO mike is designed to replace a carbon microphone in operation . . .

    Gary WA7KKP

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