[sdiy] Audio mixers

Jay Schwichtenberg jays at aracnet.com
Thu Jun 16 04:55:03 CEST 2011


If you have a pot to control volumn at the input that should be fine. You
can turn that all the way down and get close to ground. If not I'd ground

Some people wouldn't spend the extra money but for an audio mixer I'd use
better op-amps (lower noise) than the TL072.

Happy soldering.
Jay S.

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl
[mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of James Coplin
Sent: Wednesday, June 15, 2011 4:12 PM
To: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] Audio mixers

Another question I should have put in my first email.  If I am using a
switch to remove a particular input from the mix, route it somewhere else
etc, what is the proper way to handle the open ended wire when the switch
is "off"?  Just leave it open?  Connect it to ground?  Thanks again!

James R. Coplin
Doctoral Candidate
University of Minnesota
Department of History

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