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Big Muff Pi - MUFF'N - the Original 10 Muff Projects


10 Muff Projects - 6 of the most popular On-Board Mods

Board Dimensions (W x H) 2.13” x 1.67” i.e.: 54.0mm x 42.4mm.

10 Muff Projects - also includes 6 of the most popular Mods


  • Rams Head
  • Violet Ram
  • Triangle
  • 3rd Edition
  • Creamy Dreamer
  • Foxy Lady
  • Green Russian
  • Black Russian
  • Civil War
  • Mayo

( 6) On-Board Mods with any of the above builds so you may customise your favorite version.

1. BMP - MUFF'N Main Build Instructions

2. MUFF'N Advanced Modding Guide

Always use the Forum's Layout Gallery Page for each individual circuit for the most information, mods and tips, that are not contained in the basic build document above. Advanced Build Docs in the Layout Gallery!

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Another interesting Mod is to add the Tone TwEQ 3 Band Active EQ to your build:

Here are some Tone TwEQ'd builds by Trom:

Recommended accessories:

1. Barry's Famous Pot Condoms™ .

2. 3PDT Wiring Boards .

3. Barry's Best Pedal Hookup Wire.

4. DPDT Wiring Boards - Perfect for Mods

5. DC Power Jacks 2.1mm

6. Common Anode LED (Optional to Standard LED )

7. Plastic Bezels for Common Anode LEDs

8. Pot Condoms for mounting in tight quarters over potentiometers

9. GPCB Secure Mounts - For mounting with room to spare

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