Tonally this circuit variation … Looks and sounds pretty damn awesome. Usually, they are 1n4148 type diodes, and gives the Big Muff … MIDS EQ – Parametric MIDS EQ section with a selectable center frequency ranging from 310Hz to 5.0kHz, a level control with up to 10dB of boost or cut and a … Just different box color and graphics. The Big Muff Pi (π), often known simply as the Big Muff, is a fuzzbox produced in New York City by the Electro-Harmonix company, along with their Russian sister company Sovtek, primarily for use with the electric guitar.It is used by bassists as well due to the Big Muff… The Sovtek Deluxe Big Muff Pi provides: 1. Just … Got a Sovtek EHX black russian big muff version 7d over the holidays. It appears to be a version 7D, with the bigger enclosure. Super clean but has a few light scratches that are barely … Particularity tailored upon several choice Black Russian 7D Big Muff's but generally speaking DP-01 #7 is a broad snap shot of certain choice features from the Sovtek era Big Muffs. Version 7D BLACK RUSSIAN BIG MUFF big box (Russia circa 1998) - The tone is the same as the V7C third edition green Russian Big Muffs identified above. Particularity tailored upon several choice Black Russian 7D Big Muff's but generally speaking DP-01 #7 is a broad snap shot of certain choice features from the Sovtek era Big Muffs. The Big muff contains 4 diodes (2 pairs of diodes), that clip the signal to create gain, and compress the signal. Particularity tailored upon several choice Black Russian 7D Big Muff's but generally speaking #7 is a broad snap shot of certain choice features from the Sovtek era Big Muffs. It does have the wooden box. The battery cover was notched to accommodate a power dongle. Changing these diodes can change the compression and gain of the pedal drastically: Silicon diodes: these are the original diodes used in the Big Muff. #7 is the most ample of … It sounds amazing and I … For Sale is an Electro-Harmonix Big Muff Bubble Font Black 7D in excellent condition. #7 is … This one's supposed to be the same circuit as the green bubble font russian muff. Prices on Reverb go from $100 to $200 for the black Russian Big Muff… It's in decent condition, with some scratches, etc. From the fantastic Kit Rae Big Muff History Site: "BLACK RUSSIAN” BIG MUFF π (LARGE BOX) - VERSION 7D Circa 1998-2000 Circuit Board Number: BM-1-01.00.001 Circuit Designer: Based on Bob …