BIG MUFF Pi - OPAMP KIT
[KITS0023]

I bought this and the Sunn-T preamp. The combination of the odd harmonics produced by the Sunn-T and the even harmonics produced by BMP Op-amp... Is one of the heaviest sounds to ever penetrate my eardrums from my own rig. I own several Big Muffs ( NYC Deluxe, Sovtek Black Russian,and Green Russian) and this kit sounds as authentic as all of them. 11/10