canada2113 Posted March 18, 2006 Report Share Posted March 18, 2006 A guy told me he once had a passive wah pedal, and i'm looking to turn and old volume pedal into one. I cant find one or schematics in any places ive looked. Pehaps you guys could lead me to one or draw up schemo's for one. Thanks in advance Quote Link to comment Share on other sites More sharing options...
GregP Posted March 18, 2006 Report Share Posted March 18, 2006 Passive wah, as in not battery-powered? I can't imagine that being very effective. The core of a wah pedal is a resonant peak on a filter, which is created by amplifying/boosting/exaggerating certain frequencies. It's possible for it to be done passively, in theory, but your volume level would have to go way down for it to work, which you'd have to "make up" at the amp, thereby introducing hiss and hum to your signal. It's possible that he might have been doing a simple "tone control in a pedal", which should be an easy mod to a volume pedal. Won't sound like a wah, but it'll give you a swept tone effect, which could still prove useful! Quote Link to comment Share on other sites More sharing options...
canada2113 Posted March 18, 2006 Author Report Share Posted March 18, 2006 yeah, i dont know exactly what he meant cuz i havent talked to him in a while. The whole not-battery thing threw me off too, which is why i am now asking around. Perhaps a different capacitor than a standard tone know uses so it affects the midrange more instaed of the high end might work, but i dont know what im talking about at all. Quote Link to comment Share on other sites More sharing options...
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