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Active Bandpass Filter Equalizer (Guitar Pedal)
Active Bandpass Filter Equalizer (Guitar Pedal)
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Old 15th October 2012, 05:03 PM   #1
JoshwaBurke is offline JoshwaBurke
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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?

http://www.generalguitargadgets.com/...pdt_tb_bat.pdf

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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
DAMANHURI is offline DAMANHURI  Indonesia
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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
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