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Drunk Beaver Donetsk Muff fuzz pedal top view
Drunk Beaver Donetsk Muff fuzz pedal side view
Drunk Beaver Donetsk Muff fuzz pedal jacks view
Drunk Beaver Donetsk Muff fuzz pedal internals

Donetsk Muff

Ibanez Jet Driver evolved with NOS parts & switchable germanium tone



Donetsk Muff is our take on the vintage Ibanez JD-01 Jet Driver, which is a modified Ram's Head Big Muff. However, it's not just a clone, but an improved version using NOS (new old stock) and high-quality components with the mod: you could replace 1st gain stage (Si BC239C and Si BAV20 diodes) with Germamanium one (NOS Ge transistor and LEDs) which is more fat and softer.


  • Sustain - the amount of gain.
  • Tone - controls the balance between bass and treble.
  • Level - effect output volume.
  • Mode toggle - 1st gain stage circuit Si (Silicon BC239C transistor and BAV20 diodes) or Ge (NOS Ge transistor and LEDs).
  • LED brightness trimmer - placed on the PCB trimmer allows you to adjust the status LED brightness.

Power supply

9V DC adapter (Boss-style negative center) not included. No batteries. They are bad for the environment 🌲.

Voltage: 9V

Current draw: 3.0 mA


FREE Worldwide shipping 🌏

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Lifetime Warranty - feel free to contact us if you have any troubles with a pedal!