Fuzz Maniac I Circuit PUBLIC

Kurtus Richter's "Fuzz Maniac I" Original Guitar Circuit

Kurtus Richter's "Fuzz Maniac I" original guitar-effect circuit, featuring two gain stages, choice of two fuzz voices, and a modified Fender-style 3-band tone-stack with custom part-values. The Controls Include: Attenuation 1, Input Gain, Fuzz enable switch, Fuzz Type switch (Deep or Normal), Fuzz symmetry switches (four, with 2 settings each), Fuzz Depth, Attenuation 2, Output Gain, High Trim, Low Trim, Bass, Mid, Treble, and Volume. Range above 0 dBV is from 40 Hz to 25 kHz, with emphasis between 250 Hz and 1 kHz. Low -3 dB corner is at 30 Hz. High -3 dB corner is at 30 kHz. Caution! High-gain circuit. Maximum gain = +28 dBV @ 1 kdsHz with all controls at 50%, or +44.3 dBV with all controls at 100%. Circuit is suitable for 6/7/8-string guitar or 4/5/6-string bass-guitar, in standard tuning. With the Fuzz disabled, the circuit will serve as a high-gain overdrive. Power-supply not shown. Requires regulated dual-polarity supply providing +-9VDC or +-12VDC or +-15VDC at >= 12 mA total circuit current.