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Making 6 versions of the Big Muff

What’s the difference between all those different versions of the big muff? I decided to find out! This is a thoroughly unscientific experiment. I got 7 mini big muff boards from mad bean pedals. The build docs include instructions for…

Titan Boost/Ocrave – John Hollis

John Hollis Titan boost This is an op amp input pre amp/booster into a transformer. The transformer is 1k/20k and can output 30v from a 9v battery. The switch inserts a diode bridge for an octave effect. The sound of…

Super Hard On clone

I built this Super Hard On Booster a long time ago. I used one of those old DPDT switches without an LED. Later I wanted to add an LED I used R.G. Keen’s Millennium Bypass on a small piece of…