Randall RRED Overdrive
…and this one is for the Pantera and Dimebag fans… Schematic avaiable at PedalPCB.
Distortion
Runoffgroove 22/7
A DIY classic by Runofgroove. It is a Big Muff but the transistors is replaced with hex inverters. Schematic and more info HERE.
WTF Big Enuff? – Violet Edition
Another distortion unit designed by Pedro (WTFiCanBuildMyOwnPedals). Here is his own words on his creation. “This one will destroy many amps and eardrums. It is nothing new, just a marriage between a Big Muff and the Booster from the FZ-2 (pedalPCB’s version) which has a very powerful EQ… and it sounds exactly like I imagined it. Anders was … Read more
VFE Red Wolf
A Rat variant with some added features; a Fat control and a variable diode control called Comp.
Sobbat DB-1 Drive Breaker
Schematic avaiable at PedalPCB. Note that this layout is sligtly modified. The buffer bypass switching is subbed for normal true bypass.
Electro Harmonix Little Big Muff – transistor version
Per request. The switch can be replaced with a tone control. Just omit 100k resistor at column 17 and replace the switch connections with the lugs of the 100k tone control.
ELECTRO-HARMONIX: Opamp Big Muff,
What more can be said about an opamp Big Muff? ELECTRO-HARMONIX OPAMP BIG MUFF – VERO LAYOUT VIDEO DEMOS