Author Topic: Heil HM-10 Dual repair  (Read 913 times)

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Offline innkeeperTopic starter

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Heil HM-10 Dual repair
« on: July 16, 2018, 04:11:28 pm »
I got my hands on a Heil HM-10 Dual element microphone at a hamfest that in pretty sad shape but salvageable.

If anyone can take a picture of a Heil HM-10 Dual microphone elements and how they are mounted, that be great!

The microphone elements broke loose from the mount at some point and it seems someone thought the solution for that was duct tape... which has now become all gooey. What a mess.  it is otherwise coated with a thick layer of nicotine stains, in the pic below, the ring on the top of the mic is supposed to be silver and not gold looking and the lettering should be white. Though I think this can all be cleaned up.

its also missing the screw that held the mic into the body. you can see where someone had put tape along the base of the mic, where they held a wrong sized screw in place to keep the mic jack in the mic body.  the previous owner loved tape I guess :P 

wiring all seems ok. it doesn't look like anyone has messed with the insides.

the elements look like they might have been epoxied to the top of the plastic mount but, I've seen pictures of the inside of an HM-5 where the elements had a holder and were mounted vertically. I don't think this is the case for this one as there simply isn't enough room for that.



Hobbyist and a retired engineer and possibly a test equipment addict, though, searching for the equipment to test for that.
 


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