[Elecraft] Simulated stereo

[Joe Subich, W4TV]

On 2021-12-25 6:46 PM, Douglas Hagerman via Elecraft wrote:

> Some of the various Heil headphones, including the one on the 
> Elecraft site, have a switch that passively selects between mono and
> simulated stereo by changing the phase between the two sides.

Any *Stereo* headphones can accomplish the same thing by simply adding
a DPDT switch wired to reverse the connections (invert polarity) to
one of the two ears.

73,

    ... Joe, W4TV


On 2021-12-25 6:46 PM, Douglas Hagerman via Elecraft wrote:
>>
>> The K3 (and I think the KX3 and K4) has a simulated stereo function
>> which allows you delay the audio to one channel slightly, which makes
>> signals seem to stand out from the noise. I believe that the radios
>> newer than the K3 also have the ability to create stereo separation by
>> pitch, which helps in picking out CW signals in QRM.
>>
>> My question is: is there some kind of device that you can get that will
>> take the monaural audio from a non-Elecraft radio or a K2 and produce
>> similar effects?
>> -- 
>> 73,
>> Victor, 4X6GP
>> Rehovot, Israel
>> CWops #5
>> Formerly K2VCO
>> https://www.qsl.net/k2vco/
> 
> Some of the various Heil headphones, including the one on the Elecraft site, have a switch that passively selects between mono and simulated stereo by changing the phase between the two sides. It basically seems to widen the perceived space of the sound source, possibly helpful.
> 
> Doug, W0UHU.
>