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

[Jim Wiley]

Just a little "helper" when dealing with stereo audio cables, which are 
most often marked with red and some (unspecified) other color:  "Red is 
right, whatever is left over is left".

- Jim, KL7CC



On 3/10/2013 12:38 PM, Don Wilhelm wrote:
> Tom,
>
> I am going to make an assumption because it was a little ambiguous 
> whether you changed the jack or the plug.
> I assume you changed the *plug* on the headphone cable.  If you 
> changed the jack on the adapter cable, please let me know.
>
> I think you wired it right, but only Heil would be able to answer with 
> certainty.  Yes, normally white goes to the tip (left channel) and red 
> (Right) goes to the ring.  Getting them backwards will reverse the 
> left and right in your headphones.
>
> A 3.5mm (1/8 inch) plug is correct.  Good plugs should work fine, but 
> off-brand ones may not be as consistent.
>
> If you cut off the cable right above the encapsulating plastic, you 
> may not have cut enough off.  Those cables usually break a bit above 
> where they are supported.
>
> The nasty sound is likely the result of an open wire.  Cut a bit more 
> off the cable and try again.
>
> 73,
> Don W3FPR
>
>
> On 3/10/2013 12:33 PM, tomb18 wrote:
>> 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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