On Sale At hmsr.org!

Op Amp Muff


Electro-Harmonix Op-amp Big Muff Pi Fuzz Pedal

$80.60


Used Electro-Harmonix EHX Op-Amp Big Muff Pi Distortion/Sustainer Pedal OpAmp

$64.99


Electro-Harmonix Op-Amp Big Muff Pi

$80.60


Electro-Harmonix Op-amp Big Muff Pi Fuzz Pedal (OpAmpBigMuffd2)

$72.60


Electro-Harmonix Op-Amp Big Muff Pi Distortion/Sustainer Pedal *Free Shipping in

$84.60


Electro-Harmonix OP AMP BIG MUFF Pedal with 2 Patch Cables

$80.60


Electro-Harmonix Op-Amp Big Muff Pi Distortion/Sustainer Pedal

$80.60


EHX Electro-Harmonix Op-Amp Big Muff Pi Distortion/Sustain Guitar Effects Pedal

$105.45


Electro Harmonix Nano Bass Big Muff Pi Distortion / Sustainer For Bass, New!

$80.90


Electro-Harmonix / OP-AMP Big Muff fuzz

$133.58


Electro-harmonix Op Amp Big Muff

$104.32


Electro-Harmonix EHX Op Amp Big Muff Guitar Effects Pedal!

$80.60


RARE Vintage Electro Harmonix EH Little Big Muff Op Amp Fuzz Pedal

$235.00


Vintage 1979 Electro Harmonix v5 Big Muff Pi Fuzz Pedal IC Op-Amp Version 5

$329.99


Electro Harmonix Big Muff Pi Op Amp

$84.60


Electro-Harmonix OP AMP Big Muff

$80.60


Super Electric Rosualt - Fuzz Pedal (Op-Amp Big Muff)

$122.36


Electro Harmonix Vintage Big Muff 1979 op amp EH3003 V4 USA Fuzz Tone Bypass

$459.90


Electro Harmonix OP-AMP BIG MUFF fuzz

$179.00


Pedal PCB Dream Fuzz (IC OpAmp Big Muff clone) Alchemy Audio Guitar Effect Pedal

$109.95


Alchemy Audio BYOC Lil' Beaver (Opamp Big Muff clone) Guitar Effects Fuzz

$89.95


Used Jhs Pedals Ehx Op-Amp Big Muff Pumpkin Patch Mod / Modify Fuzz

$261.78


ELECTRO HARMONIX EHX OP AMP BIG MUFF

$126.12


New Electro-Harmonix/Op-Amp Big Muff From Japan

$168.99


Electro-Harmonix Op-amp Big Muff Pi Fuzz Guitar Effects Pedal

$114.17


9V Power Supply Adapter for Electro-Harmonix Op-Amp Big Muff Pi Distortion Pedal

$7.99


New Jhs Pedals Mod Fuzz / Distortion Ehx Op-Amp Big Muff Pumpkin Patch Mod

$272.99


JHS Pedals EHX OpAmp Big Muff "Pumpkin Patch" Mod Guitar Effects Pedal

$165.29


New Electro-Harmonix EHX Op-Amp Big Muff Pi Distortion/Sustainer Pedal OpAmp

$80.60