1979 ELECTRO HARMONIX LITTLE BIG MUFF PI - Modified Phaser screws on the base have

screws on the base have been replaced

In very good working order having been checked out by our tech - not the quietest effect you'll hear

Separated outputs on a TRS jack (unmodified the output of the two channels are mixed so this definitely improves the creative possibilities of the unit)

One of the knobs is missing it’s orange-coloured centre but works perfectly

1979 ELECTRO HARMONIX LITTLE BIG MUFF PI - Modified Phaser screws on the base haveOffered for sale is this vintage EH Little Big Muff Pi in good cosmetic condition and perfect working order. The pot code is 1979 making this beauty over 30 years old. It's been modified with a dual concentric pot on the side so it has all the control of a full size Muff in the smaller case. Sounds huge, awesome and as good as a vintage op amp Muff should. The Op Amp Big Muffs were famously used by Smashing Pumpkins' Billy Corgan on Siamese dream