[Elecraft] K3 - Speaker/headphone problem

[Keith]

Already changed my speaker to a stereo plug!  I'm not
going to take chances! Again thanks a lot!

Keith W8GX


----- Original Message ----- 
From: "Steve Ellington" <n4lq at carolina.rr.com>
To: "Keith Hamilton" <tuner at zoominternet.net>; "Dave Perry N4QS" 
<n4qs at comcast.net>
Cc: "'Elecraft Reflector'" <elecraft at mailman.qth.net>
Sent: Sunday, January 03, 2010 4:34 PM
Subject: Re: [Elecraft] K3 - Speaker/headphone problem


> The manual says: (page 20)
> "A stereo plug is recommended......If you only have a mono plug, set 
> CONFIG: SPKRS to 1 and disable right -channel audio"
> So yes it says mono is ok. But it doesn't say you'll blow your 
> transistors. You gotta find that out by other means, some of which aren't 
> pleasant.
> Steve
> N4LQ
> N4LQ at carolina.rr.com
> ----- Original Message ----- 
> From: "Keith Hamilton" <tuner at zoominternet.net>
> To: "Dave Perry N4QS" <n4qs at comcast.net>
> Cc: "'Elecraft Reflector'" <elecraft at mailman.qth.net>
> Sent: Sunday, January 03, 2010 4:12 PM
> Subject: Re: [Elecraft] K3 - Speaker/headphone problem
>
>
>> 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!
>>
>> Keith W8GX
>>
>>
>> On Jan 3, 2010, at 3:57 PM, Dave Perry N4QS wrote:
>>
>>> 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" <tony.kaz at verizon.net>
>>> To: "'Elecraft Reflector'" <elecraft at mailman.qth.net>
>>> 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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>>
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