Operational Muff - Fuzz 6ft instrument cable Filter control: Turn it to

Filter control:  Turn it to the right to roll off brittle high-end frequencies

without a doubt

Other than that

Do you dare to try this blasting beast of doom

The result is a fist of power that acts like five pedals in one and has all the muscle to deliver the exact tone you’re looking for

Operational Muff - Fuzz 6ft instrument cable Filter control: Turn it toWith authentic late 70s Op Amp Big Muffs selling for absurd prices on the vintage market, Mike Matthews decided to take the power to the people and reissue this classic pedal at a price that players could actually afford! We wanted to go a step forward by allowing anyone to build their version of the Op Amp Big Muffs. Now you can get all the classic sounds that made this pedal so popular without having to break the bank. Introduction Ready to make