[Boatanchors] [Glowbugs] Want to use stereo headphones w/mono audio output

manualman at juno.com manualman at juno.com
Fri Aug 25 11:53:51 EDT 2017


On my stereo headphones, I use a 33 ohm 1/4 watt resistor in series with
each left and right channel leg with both resistor ends tied to the mono
plug tip pin. Ground/shield get tied to sleeve of mono plug. Works great
on all mono boatanchors for the last 40 years.

Pete, wa2cwa

> From: tetrode at googlegroups.com [mailto:tetrode at googlegroups.com] On 
> Behalf Of Howie WA3MCK
> Sent: Thursday, August 24, 2017 10:06 PM
> To: Boatanchor group <boatanchors at mailman.qth.net>; Glowbug Tetrode 
> <tetrode at googlegroups.com>
> Subject: [Glowbugs] Want to use stereo headphones w/mono audio 
> output
>  
> I need a circuit for a simple resistive balancing network to connect 
> stereo headphones for use with my monophonic boatanchor receiver.
> 
> I remember seeing one in popular electronics back in the late 60's 
> early 70's.
> 
> Just shorting the tip and ring together on a 1/4" jack doesn't hack 
> it.  
> 
> My old Telex 610 headphones are not that comfortable, frequency 
> response sucks, and they  make my ears sweat and I go deaf 
> temporarily when I take them off... 
> 
> Thank you
> 
> Howie WA3MCK 
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