http://elecraft.85.s1.nabble.com/K3-Speaker-headphone-problem-tp4243129p4247316.html
Doesn't the manual state that a mono plug is ok? I better unplug my speaker.
I must have read wrong. Thanks a lot for the post!
> Tony,
>
> Same thing happened to me when I plugged my Kenwood mono speaker into the
> stereo speaker jack on the back of the K3. I did this without thinking from
> the front of the radio when I was rearranging equipment in the shack. The
> speaker worked for a couple of days until the audio output transistor
> failed. I could then only hear audio from the headphones. I had to send my
> K3 back to Elecraft in order to replace the audio output transistor. It was
> under warranty so they repaired it for free. While the rig was in the shop,
> I had them add the sub RX, digital voice recorder, and the IF Out interface.
> So they came out okay on the deal.
>
> But I learned my lesson -- do not plug a mono speaker into the stereo
> receptacle. It is clearly labeled as Stereo on the back, but you have to be
> looking at it from that direction! Even the manual shows it as stereo.
>
> Dave, N4QS
>
> ----- Original Message -----
> From: "N2TK, Tony" <
[hidden email]>
> To: "'Elecraft Reflector'" <
[hidden email]>
> Sent: Saturday, January 02, 2010 11:25 AM
> Subject: [Elecraft] K3 - Speaker/headphone problem
>
>
>> Maybe someone has had this problem before and can save me time
>> troubleshooting?
>>
>>
>>
>> Everything was fine yesterday. This morning (rig is always ON) headphones
>> work fine. But nothing out of either internal or external speaker when I
>> unplugged the headphones. I now have to turn Config: SPKR + PH to YES to
>> listen out of either an external or internal speaker. But now I can't turn
>> off the speakers when plugging in the headphones.
>>
>>
>>
>> Any ideas what could have happened?
>>
>>
>>
>> Tnx for any feedback.
>>
>> N2TK, Tony
>>
>>
>>
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