Electro Harmonix Fuzz-Wah Guitar Effect circuit diagram

This is the electro harmonix fuzz-wah guitar effect pedal circuit diagram.
Circuit Notes:

• Q1 & Q2 are 2n3565
• Fuzz bypass S1 has been improved to provide true bypass
• S3 chooses volume or wah-wah
• S5 provides for sweep reverse
• S2 gives just fuzz, just wah-wah / volume, or fuzz into wah-wah / volume
• S4 sets tone of filter
• D1 & D2 can be any signal diode

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