| Created by | |
| Created | June 17, 2025 |
| Last modified | November 20, 2025 |
| Tags | guitar-preamp |
High-Gain Overdrive with 2-Voiced Fuzz and 3-Band Tone
Overdrive with 2-voiced fuzz and 3-band Fender-style tone-stack. Controls Include: Input Attenuation, Input Tone enable switch, Input Tone, Input Gain, Drive, OD/Fuzz enable switch, Fuzz 1 enable switch, Fuzz 1 symmetry switches, Fuzz 1 Depth, Overdrive, OD Gain, Fuzz 2 enable switch, Fuzz 2 symmetry switches, OD/Fuzz Level, Bass, Mid, Treble, Stack Sum, Output Gain, and Volume. Range above 0 dBV is from 21 Hz to 7 kHz. Thus, circuit is suitable for 6/7/8-string guitar or 4/5/6-string bass. Maximum gain = +37 dBV (Vo/Vi = 73.3) @ 100 Hz with all controls at 50%, or +48.7 dBV (Vo/Vi = 272.3) with all three Gain controls at 100% but all other controls at 50%. Power-supply shown (split, +-12VDC; part numbers given). Recommended rack-mount applications only. All rights waived.
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