[Elecraft] Sidetone with harmonics at 400 Hz...

[David Cutter]

How does it compare to the BHI product?
http://www.bhinstrumentation.co.uk/

David
G3UNA
I have no pecuniary interest in either party


----- Original Message ----- 
From: "Rob Locher W7GH" <rob at idiompress.com>
To: "Elecraft Discussion List" <elecraft at mailman.qth.net>
Sent: Saturday, August 04, 2007 7:35 PM
Subject: Re: [Elecraft] Sidetone with harmonics at 400 Hz...


>I find the square wave character of the stock sidetone quite annoying on
> my K2 #5004, with the sidetone set at 500 Hz.  However I run the audio
> through a SCAF-1 external audio filter, which makes the sidetone much more
> of a single tone, and far more pleasant to my ear.  The SCAF-1 also
> eliminates the high-frequency hiss in my headphones.  The hiss didn't seem
> like a big deal, until I could make it go away; then I realized how much
> it had been bugging me.
>
> More information on the SCAF-1 is available here:
> http://www.idiompress.com/scaf-1.html
>
> The Standard Disclaimer does not apply...
>
> 73,
> - Rob W7GH
>
>
>
>
> On Sat, 04 Aug 2007 10:25:07 -0700, Steve Kallal <n6vl at yahoo.com> wrote:
>
>> I have a K2, serial #2289, that has a second harmonic in the sidetone. 
>> The
>> sidetone is set for 400 Hz because I do much better with lower pitches. 
>> The
>> sidetone at 400 Hz has a definite square wave sound to it. The problem
>> certainly is not present at 600 Hz, and I don't even want to try 500 Hz. 
>> I'd
>> go lower than 400 Hz if the K2 allowed it.
>
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