Gary,
I don't know what is going on, but I suggest you turn the headphones
backwards as a test to see if the imbalance might be in the heardphones
or in your ears. If it switches sides with the headphones backwards,
the problem is external to the K3.
As far as the 'high tone' is concerned, I don't have any clue about that.
73,
Don W3FPR
On 3/25/2014 2:07 AM, Gary Hinson wrote:
I've had a distinct channel imbalance problem developing slowly, I suspect,
for about a year or more on my K3. I discovered very recently that it is
being caused, or substantially worsened at least, by the AFX audio effects
function. I am almost entirely using CW through headphones, listening to
just the main receiver with the subRX off about 50% of the time and the rest
listening to pileups. With the AFX on, there is a marked bias towards my
left ear. With AFX off, the audio is more or less central. I've messed
around with the AFX delay setting but it doesn't seem to make much
difference: at all settings, the marked left bias exists. I haven't put it
on a scope or soundcard meter yet.
[I occasionally have another audio problem with what sounds like a high tone
intermod product caused by over-driving something in the audio chain. If
so, it seems to be ahead of the volume knob since that makes no difference.
The problem is intermittent - lasts for a week or two then goes away for
months, and is annoying but not bad enough to ruin the receiver. I don't
know if it is related.]
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