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Review - Electro Harmonix Op-Amp Muff
The #ElectroHarmonix reissue of their 1977-1978 Op-Amp based #BigMuff is a great box whose huge, raucous tones belie its pedalboard friendly size.
The #OpAmp reissue pays homage to Billy Corgan, who - with The Smashing Pumpkins - made this pedal so desirable, and includes some additional features to bring it into the new century.
So, what's an op-amp anyway?
When this version originally came out, op-amps were used instead of transistors, mainly for financial reasons. These are basically small integrated circuits that put out a massively larger signal than that which is fed in, thus resulting in distortion. The pedal also had only three gain stages instead of the standard four that the transistor Muffs had used. These changes meant that this version had a noticeably different sound, which made it pretty unpopular on first release and is why the version was only around for a year or so.