Hi. i have some problem with this pedal. my pedal have big bass. After C7 i have good boost signal, with some distortion. But after tone control, pedal boost bass frequency. or cut hi frequency How i can solve this problem?
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Show posts MenuQuote from: midwayfair on August 14, 2012, 11:46:50 PMto solve this problem i choose other transistor Q5. 2n3904 have big noise figure = 4 (in datasheet). i choose bc557bg (this transistor have noise figure = 2).Quote from: medicament on August 14, 2012, 11:36:25 PMQuote from: nzCdog on August 14, 2012, 08:05:52 PMOk. Maybe some schematic modification can solve this problem?
Fluorescent lights generate radio frequency noise which can interfere with high gain circuits like this one
Put a 22pF cap between the input and ground. Keep the leads as short as physically possible. Even a millimeter or two will keep it from working.
Quote from: nzCdog on August 14, 2012, 08:05:52 PMOk. Maybe some schematic modification can solve this problem?
Fluorescent lights generate radio frequency noise which can interfere with high gain circuits like this one
Quote from: madbean on January 29, 2012, 01:04:13 AM
Looking very good, DuctTape! That Poindexter is very susceptible to RF and other noise sources, for sure. I remember testing mine on the breadboard and getting massive noise, which then disappeared after turning off a single non-incandescent light.
And, love the light up knobs, too.