[Elecraft] K3 external speakers

Ralph Tyrrell w1tf at yahoo.com
Mon Apr 6 22:25:55 EDT 2009


I have had these Best Buy speaker since Dec 1, small and sound great.
Am very pleased with them
73, Ty, K3 696


--- On Sat, 4/4/09, Jay Rodaman <k2ttt at optonline.net> wrote:

> From: Jay Rodaman <k2ttt at optonline.net>
> Subject: Re: [Elecraft] K3 external speakers
> To: elecraft at mailman.qth.net
> Date: Saturday, April 4, 2009, 2:45 PM
> I have also had a similar need for external speakers.
> The recommendation from an "unnamed source (heh heh)
> " on the left coast
> was the following
> 
> 
> http://www.bestbuy.com/site/olspage.jsp?skuId=7314523&type=product&id=111884
> 3685964	
> 
> they are not very expensive , to the delete of most of us
> and seem to work quite well
> 
> Jay
>  
> 
> 
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ken
> Kopp
> Sent: Saturday, April 04, 2009 2:18 PM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] K3 external speakers
> 
> The following may well be obvious to most, but I know of
> at least three K3 owners who've been "caught"
> by plugging
> mono plugs into the (stereo) speaker jack.
> 
> There is a "gotcha" involved in the use of
> external speakers
> with the K3.  It's addressed indirectly on page 20 of
> the D2 
> version of the manual in the 2nd paragraph under PHONES
> when it reads "... if you use a stereo plug at the
> external 
> speaker jack .... but is easily glossed over by the reader.
> 
> Many / most monaural external speakers have a MONAURAL
> plug on their cords.  DON'T plug one of these
> (monaural) plugs
> into the speaker jack.  It's configured for stereo and
> the sleeve 
> of the mono plug will short the ring portion of the stereo
> jack 
> and thereby short one channel of audio.  I ... along with
> several
> others ... have experienced a failure of the audio
> amplifier IC on 
> the front panel board due to one channel being shorted by
> the 
> sleeve of a monaural plug.  It seems to take many hours of 
> 
> operation under this condition to cause the IC to fail ...
> over a 
> year in mine and another's case.  The IC is -NOT- an
> easy change!  
> 
> Just remember that one audio channel is on the tip and the
> other 
> is on the ring of the plug and connect speakers in this
> manner 
> using -only- a stereo plug.  My particular "trap"
> was forgetting that 
> using a  stereo "Y" merely moved the
> "trap" six inches away from 
> the jack. (;-)
> 
> As others have pointed out, speakers from the two-radio
> field are 
> good choices, and the CB isle at truck stops usually sell
> nice 
> speakers.  Mine are Barjan 320-701's.  Radio Scrap
> 21-549B's 
> are OK, too.
> 
> 73! Ken Kopp - K0PP
>      ElecraftCovers at rfwave.net
>      http://tinyurl.com/7lm3m5
> 
>  



      


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