MI Audio Blue Boy Deluxe Overdrive
Schematic is avaiable HERE. …and by request another layout with with mods by asbestosaurus at FSB. R1 and R2 is the suggested values but they can be tinckered with for more or less overall output.
Rusty Box
Based on the preamp of Traynor TS50B, Rusty Box is a big sounding circuit, perfect for bass and baritone guitars. The layout runs on 18v and has an onboard voltage inverter and voltage regulators for 15v/-15v operation. But it might work well on 9v as well but it will probably have more gain (…and less … Read more
God City Gradient w. gain ctrl
Here is a quite simple Booster/Eq/light OD circuit designed by Kurt Ballou. More info and schematic HERE.
Schumann Lion
Modified for normal DC power supply with onboard voltage inverter and voltage regulators. The layout is based on THIS schematic.
Wampler Black ’65
Schematic is avaiable HERE. The overkill 470uF power filter cap has been reduced to 100uF and the 10ohm series resistor for the power supply has been replaced with a series polarity protection diode.
Hornby & Skewes Selectatone T.B.2
A tweaked Rangemaster with switchable output filters. Schematic and more info HERE.
Fuzzlord Effects Drone Master
Here is another trace by evilarsen; Fuzzlord Drone Master. It is essentially a tweaked Rat with a diode selector switch, a switchable twin T notch filter for a mid scoop a la Superfuzz, and an op amp output buffer. There is two versions for this (2019 and 2020) and since they differ quite a bit … Read more
Frost Giant Electronics Soma
Traced and verified by evilarsen. Thanks buddy! Not that the part numbers for Q1 and Q2 isn’t fully confirmed but it is most likely BC547/8/9 types with B suffix for Q1 and C suffix for Q2. Product description: Soma is a tuned version of our Massif Fuzz with the tonestack of the Doom/Sludge Metal giant … Read more