The cap in question is part of the guitar’s tone circuit, which along with a potentiometer forms a variable low-pass filter. A rich folklore has developed over the years around these circuits ...

Signals with frequency above or below the filter’s passband will be attenuated. The band-pass itself is constructed from a high pass and a low pass filter. [Ryan] used simple resistor capacitor ...

Coming in the same brutish-looking form factor as the DS-2, this includes both an emulation of the smooth 2045 low-pass filter and Stylophone’s dirtier Gen R-8 filter, creating a device that the ...