Donvito Posted August 6, 2014 Share #1 Posted August 6, 2014 I was able to determine, with Dion's help, that the problem with my intercom is the microphones. They are about 20 years old and are J & M HS-134. The speakers work in both headsets. Performed some exploratory surgery on one of the microphones. I have attached pictures showing what I found. I don't know the terminology but I'm wondering how the u-shaped piece attaches to the round piece? Or if the u-shaped piece was a circle originally and I lost the remainder when I cut open the housing. Has anyone repaired or replaced these things and where do you get the parts? Any info is appreciated as I don't know much about how it works. Thanks. Link to comment Share on other sites More sharing options...
etcswjoe Posted August 6, 2014 Share #2 Posted August 6, 2014 Try Sierra Electronics they may be able to get you a replacement boom. http://www.sierra-mc.com/products.asp?cat=89 Link to comment Share on other sites More sharing options...
videoarizona Posted August 6, 2014 Share #3 Posted August 6, 2014 I would contact them(J&M) directly. Be good to know what the retail cost for replacement would be. Then you could shop around. Probably find one on EBay... 1-800-358-0881 david Link to comment Share on other sites More sharing options...
djh3 Posted August 6, 2014 Share #4 Posted August 6, 2014 I looked to be some sort of bonding agent when I looked at them the other day. but you couldn't really see on the mic part where it was attached. like existing solder or anything. From my own searches J&M and sierra and edsets look to be $60+ for a mic. for about $20 more you get all new stuff. I am messing around building a homemade headset and so far the mic has been my stumbling block. I have been busy on another project of lately here so thats been on the back burner. Link to comment Share on other sites More sharing options...
Prairiehammer Posted August 6, 2014 Share #5 Posted August 6, 2014 Perhaps replace the J&M broken mike with an electret miniature? http://www.ebay.com/itm/3pcs-3-2mm-Long-Wire-Electret-Condenser-Microphone-Cartridge-Pick-up-6mm-x-3-5mm-/390888819474?pt=US_Pro_Audio_Microphones&hash=item5b02ca0b12 Link to comment Share on other sites More sharing options...
Donvito Posted August 6, 2014 Author Share #6 Posted August 6, 2014 I need two microphones and two lower wires. From Sierra, for J & M the prices are $70 for the microphone and $60 for the wires or $130 per headset. Looking at those numbers, probably better off buying new headsets. Considering IMC's for $85 but not sure of the quality compared to J & M. Anyone have an opinion. Link to comment Share on other sites More sharing options...
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