[Elecraft] K3 audio speaker jack

[Joe Subich, W4TV]

 > 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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