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Q-Filter & Bass Filter

Bill's filter is an LCR, inductance, capacitance, and resistance network, sized as a 1" cube, and can be a helpful device for multi-sound capabilities. It is ideal for those players who do not typically use their tone control. It is like taking turns off your pickup while staying noisefree. Its Bill's preferred method versus split coil.

Since the 1960's Bill has promoted the filter as a player and a designer. He's most famous for using it in the guitar he des

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