Active Bandpass Filter Equalizer (Guitar Pedal) - diyAudio
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Old 15th October 2012, 05:03 PM   #1
diyAudio Member
Join Date: May 2012
Exclamation Active Bandpass Filter Equalizer (Guitar Pedal)

Could someone help me with any problems they may see?

I've been designing a guitar pedal using some basic band-pass filters. My circuit is working in multisim, but not on the breadboard. My guitar signal comes through when my 3PDT switch is not actuated. I'm thinking it has something to do with how my power is wired?

Click the image to open in full size.

Click the image to open in full size.

Only have the bass band-pass filter powered and connected in this picture.

Last edited by JoshwaBurke; 15th October 2012 at 05:48 PM. Reason: Pictures didn't load
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Old 12th March 2015, 06:05 PM   #2
diyAudio Member
Join Date: Jul 2007
it seems you have to add the buffer front and back in the middle is the freq. Initial buffer + EQ + Buffer end I guess it's better. I am also a fan made pedal board
Best regards - Damanhuri
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