Hi, My Heil Proset K2 jack started acting up and I decided to change it. I carefully cut away the plastic on the 3.5mm plug and could not tell with 100% certainty that I got the wiring correct. However, as far as I could tell, there are two shielded cables one with white wire and one with a red wire. The two shielded wires were connected together, and the white went to the tip and the red to the other channel. When I first plugged it in, it didn't go all the way into the phone jack adapter so it seems that a 3.5mm stereo jack is not the right one? Also, it seems that the afx no longer worked? What was really weird, is that about the same time, I started hearing a low level background noise, some kind of RFI. Well, it was completely frequency independent appearing on all bands, and sounded like a prop based airplane. So I started looking for the source of the rfi and then it stopped. It then came back and now I realize if I juggle the jack around a bit, it disappears and now the audio is normal. So, a long story, but what's up with the 3.5mm that it doesn't fit in the phone plug adapter? Is it something different than a 3.5? Why do manufactures like heil use such cheap connectors like an mp3 player??They always break. Thanks, Tom VA2FSQ
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