[Elecraft] What did I do wrong with my headphones??

tomb18 tomb18 at videotron.ca
Sun Mar 10 12:33:41 EDT 2013


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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