[Elecraft] Lost Stereo effect with the sub receiver

[Don Wilhelm]

Jerry,

The fact that you can pull the plug out a bit and have proper audio in 
both ears speaks to a problem with either the jack in the K3 or the plug 
on your headphones.  Certainly that cannot be changed by firmware or the 
menus, it is simply a matter of something is failing to make proper contact.

Are you using the rear 3.5mm jack or the Front Panel 1/4 inch jack? Are 
you using an adapter?  Any of those could be at fault.
It might be just a bit of dirt on the contacts in the jack, or a 
non-standard ring width on the plug.  If using an adapter, then the 
adapter is also suspect.  It certainly sounds like a mechanical problem 
or a plug/jack mismatch to me.

73,
Don W3FPR

On 2/22/2015 5:15 PM, Jerry Knowlton wrote:
> Hello,
>
>   
>
> Does anyone have any suggestions on troubleshooting (config or Main or
> "buttons") menus for this problem.
>
>   
>
> When I plug in the headphones, there is no audio from the sub receiver (sub
> has been selected), however, pulling the headphones jack out 1/8 of an inch
> I receive both Main and Sub in both sides of the headphones. When I remove
> (deselect sub) there still is no audio on the right ear. I loaded the new
> firmware, but I am not sure if I lost the "right" ear audio before or after
> the firmware update. I have reversed the firmware update and got the dual PB
> back.
>
>   
>
> An email has gone out to Elecraft Support with essentially the same info.
>
>   
>
> Best regards,
>
>   
>
>