Month: September 2021
FREQUENCY CENTRAL / MATSUMIN: Valvemaster
A variant of the Matsumin Velvecaster, the Frequency Central Valvemaster. I really like Valvecasters, so I was looking forward to making this, but it just wasn’t working for me on the breadboard today. I might try a different valve / test the valve I’m using in a valvecaster circuit just to make sure it … Read more
RECKLESS: Moon LNDer Distortion
Another one from Jonny Reckless – the Moon LNDer distortion, using LND150 MOSFETS. All the required details can be found on DIY Stompboxes, including schematics, some suggested mods and a video demo with a few words from Jonny. Set drain bias to between 6 and 7 volts by adjust the 10k resistors going to the … Read more
Schumann Lion
Modified for normal DC power supply with onboard voltage inverter and voltage regulators. The layout is based on THIS schematic.
RUNOFFGROOVE: Nurse Quacky (EHX Dr Q)
This one seems to have many parents – I was not really sure what to tag it as. It started life as an Electro-Harmonix Dr Q, which ended up as a Jack Orman Dr Quack and then at some stage Mark Hammer mods have appeared, and more changes bought it to Nurse Quacky by Runoffgroove. Hopefully … Read more
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.
UNIVOX: SQ-150 Square Wave
I started this layout ages ago and never finished it for some reason – anyways, here it it, the Univox SQ-150 Square Wave. Mark Hammer mods included below. UNIVOX SQ-150 SQUARE WAVE – VERO LAYOUT UNIVOX SQ-150 SQUARE WAVE – MARK HAMMER MODS – VERO LAYOUT ORIGINAL SQUARE WAVE SCHEMATIC
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