The one from the ARRL HB is not passive.....but it's a fair unit if you want
up to 3
audio sources at the same time into the headphones.
You might encounter a hiss at low audio levels though.
73, Isaac, 4Z4TL
----- Original Message -----
From: "Don Wilhelm" <
[hidden email]>
To: "John Huffman" <
[hidden email]>; "Elecraft"
<
[hidden email]>
Sent: Monday, August 14, 2006 18:00 PM
Subject: RE: [Elecraft] Headphones Mixer
> John,
>
> The ARRL Handbook has had a circuit like that - called 'An Expandable
> Headphone Mixer'.
> It is in the Station Layout and ACCessories section of the 2005 handbook
> and
> has been located in various other places in prior years.
>
> 73,
> Don W3FPR
>
>
>> -----Original Message-----
>>
>> Anyone know of an inexpensive passive headphones mixer? I want
>> to mix the audio
>> from my K2 with the audio from my Pegasus.
>>
>> A circuit with component values would also be of help.
>>
>> Not looking for anything fancy, just a knob to vary the balance in the
>> headphones between the rigs.
>>
>> 73 de K1ESE
>> John
>>
>
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