Hi, for the potentiometer at the end of circuit that attenuates that output before the final 100K resistor, what is the maximum practical value this can be? I wanted to add this circuit inside an electric guitar but I wanted to use some existing potentiometers. These have values of either 250k or 500k. Also does it matter what taper is used, either log or linear? Thanks, John
It's not going to affect the output impedance very much either way because of the other resistors, especially RC. Therefore, my advice would be to try both values and see what responds best in that situation. Audio taper probably gives a better response but the taper is not electronically important, just how we hear the result.
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What are you using for a simulator and o-scope?
Falstad, here's a video on it: th-cam.com/video/DtXR7jOm2_s/w-d-xo.html and my Oscilloscope is the Rigol DS1054
Hi, for the potentiometer at the end of circuit that attenuates that output before the final 100K resistor, what is the maximum practical value this can be? I wanted to add this circuit inside an electric guitar but I wanted to use some existing potentiometers. These have values of either 250k or 500k. Also does it matter what taper is used, either log or linear? Thanks, John
It's not going to affect the output impedance very much either way because of the other resistors, especially RC. Therefore, my advice would be to try both values and see what responds best in that situation. Audio taper probably gives a better response but the taper is not electronically important, just how we hear the result.
@@MusicTechknowledgy thanks very much for the advice. I will give it a go!