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.

 

 

Hagerman Amplification Metal

 Schematic is avaiable 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 when it comes to some of the component values. The internal trimpot that sets the depth of the mid scoop was only present in some earlier versions but I decided to include it here since it seems to be an useful feature.

Bear in mind that there is quite a volume drop when the switches is in silicon and Scoop mode.

2019 version

 

 

2020 version

 

 

 

 

 

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 The Tall Font Russian.

The Massif’s circuit was adjusted with more gain and cut but still retains the open mid response to keep you above the mix. An added bonus is we added a trimpot on the inside to adjust the bias if you decide you want a sputtery hellacious fuzz, stock it’s set for maximum sustain and gain.

 

Controls:

Volume – Adjusts the level output

Tone – The feel of your standard BMP tone control

Body – Shifts the low/mid low range in conjunction with the Tone knob

Fuzz – Adjusts the Fuzz level

*internal trimpot – Bias adjustment

 

Heavy and Saturated :: Thick and Fuzzy

 

 

DOD Envelope Filter 440 Reissue

 Per request. This is supposed to a great envelope filter with both up and down sweeps.

Schematic is avaiable HERE.

 

Guyatone WR3 Wah Rocker

 A fairly simple to build auto wah that is supposed to sound really good.

Schematic is avaiable HERE.

Hagerman Amplification Fuzz

 Schematic is avaiable HERE.

Hagerman Amplification Octave Up

 Schematic is avaiable HERE.

Hagerman Amplification Distort

 Schematic is avaiable HERE.

Hagerman Amplification Transistor Overdrive

 Schematic is avaiable HERE.

Maestro Fuzz Phazzer FP-1

 The layout is based on Brian Kepharts modernized version of this weird, fun and old device.  

HERE is a link to a very detalied description of this circuit, schematic, bias setup and explenations of the small but useful modifications.

Hagerman Amplification Echo - PT2399 Delay

 Schematic is avaiable HERE.

Blackhawk Amplifiers Valkyrie Drive V3

 This one was quite tricky to trace. Got the topology figured out quite quickly but but identifying some of the capacitor values was quite difficult with these Greenies with faded markings. Had to look at several units, all had some minor variations but I think the layout below is pretty much spot on.

It is a heavy fuzzy overdrive with the gain control rolled back, maxed out it is a high gain fuzz. Most units had a 100k gain control with quite a limited range. It was later reworked for V4, using a 500kC potentiometer which gives a much more useful range.

It can be quite noisy with the gain maxed out (probably bcause of the layout itself, not the circuit design...) but short wires and shielded by an enclosure helps.

Hagerman Amplification Scream - LM386 Overdrive

 Schematic is avaiable HERE.

 

 

Spontaneous Audio Devices Son of Kong (modified)

 Layout is based on schematic from PedalPCB.

This is a stripped down version of the original pedal to make it fit into a small enclosure. For those who wants to build the complete circuit, Deadend Fx has PCB on their site called Diddy.

 

 

Death by Audio Evil Filter

 

 

 

The layout above is still unverified but I did a smaller simplified version a while ago. The fuzz section has been removed since didn't care for it. Less offboard wiring and and a smaller enclosure...and you can put your favorite fuzz after it.

 

 

DOD Looking Glass OD

 Based on schematic from PedalPCB.

Ampeg Phazzer

 Schematics avaiable at FSB.

 

 

Abasi Pathos Distortion

 Turned out a bit big but it will fit in a BB enclosure...

Based on the schematic avaiable at PedalPCB.