I am working on some sort of synth and want to add a speaker output but also a line out, and if I am using line out the speaker should be deactivated. I was thinking that I can use this amplifier: http://makezine.com/images/09/CrackerboxAmp_Schem.pdf and have a switch on the OUT after the Master vo…

Audio out and speaker

Lakes October 28, 2012, 8:59pm 7

R7 is 1k, R9 is 10k, the switch goes in series with the speaker.

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