That is really an excellent video Stan.  That's a pretty effective speaker,
I will be digging thru my plumbing supplies tomorrow!
Gary N7DXT

On Thu, Feb 16, 2017 at 6:14 PM, stan levandowski <sjl...@optonline.net>
wrote:

> For those with interest I just put up a video comparison of a standard
> "communications speaker" vs. the "CW Resonant Speaker" detailed in the
> article of the same name in the February 2017 QST, page 43.
>
> Included for Elecraft KX product owners is the amp necessary to use the
> headphone jack output.
>
>
> Click on:  https://www.youtube.com/watch?v=htjgeHEf3-g
>
>
> 73, Stan WB2LQF
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