[Elecraft] K3 audio speaker jack

[Guy Olinger K2AV]

Shorting the outputs of the audio channels together MAY not blow
anything up, but it puts the output of one channel as the load of
another.  Translate: distortion.  Do NOT use the RS adapter.  73, Guy.

On Wed, Oct 27, 2010 at 3:22 PM, Joe Subich, W4TV <lists at subich.com> wrote:
>
>  > Incorrect. The adapter combines both channels into one.
>
> No, the Radio Shack adapter shorts the outputs of the audio
> amplifier to each other with no "build out" resistor.  That
> can damage for the amplifier chip - the LM4950 is not spec'd
> for parallel operation.
>
> As Wayne has already stated, do not connect the tip/ring
> together.
>
> 73,
>
>    ... Joe, W4TV
>
> On 10/27/2010 2:31 PM, k.igor at comcast.net wrote:
>>
>>
>> Incorrect. The adapter combines both channels into one. Nothing is shorted to ground.
>>
>>
>> ----- Original Message -----
>> From: "Ken Kopp"<k0pp at rfwave.net>
>> To: "k igor"<k.igor at comcast.net>, elecraft at mailman.qth.net
>> Sent: Wednesday, October 27, 2010 12:48:57 PM
>> Subject: Re: [Elecraft] K3 audio speaker jack
>>
>> The RS adapter will merely move the point
>> where the short occurs. The one channel of
>> the stereo adapter will still be shorted by the
>> mono plugs on the speaker/s.
>>
>> 73! Ken Kopp - K0PP
>>         ElecraftCovers at rfwave.net
>>
>>
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