Month: August 2019
OKKO Diablo+
The Diablo is a modified BSIAB circuit and the Diablo+ version has an added boost at the output that’s independent from the main overdrive circuit. I’ve laid it out for a 125B with top mounted jacks for a nice small footprint. Originals have a switch to run at 9 or 18 volts which I’ve left … Read more
Boss FA-1 FET Amplifier
Originally a bit of a flop from Boss, the FET Amplifier was made famous by U2’s The Edge. It features a 2-band Baxendall tone stack and the Volume control is more like a gain control. Originals use 2 single opamps that are pretty hard to come by these days, so they’ve been replaced by a … Read more
Kay F-1 Fuzz Tone w. mods
Modified Kay Fuzz Tone adopted for regular stompbox use. Mid and Treble controls is added along with a gain/bass boost switch. Also added a recovery stage since originals barely reach unity level.