MOSRITE: Fuzzrite, Germanium Version

MOSRITE GE schematic 1de8551b080f

There are more than a few versions of the germanium Mosrite Fuzzrite out there – seems like they went through a few different construction technics and capacitor combinations along the way.  The details mostly seem to be lost to time (and rust). Here’s a bit of info that I’ve pulled together from various sources while … Read more

MXR: Phase 90

MXR Phase 90 vero layout v1a 2ead714849c4

Bit of a classic guitar effect – the MXR Phase 90. Electrosmash has an excellent reference that covers all things Phase 90, including the schematic  https://www.electrosmash.com/mxr-phase90. JFETS can be pesky, so make sure you match them as best as possible and buy from reputable suppliers. The script switch is strictly optional.   It’s one of those things that … Read more

GRETSCH: Controfuzz

Controfuzz vero layout v1a 51468ea71fd8

The Gretsch Controfuzz is yet another variation on the Distortion + the key point of difference this time is the clean blend, which makes this a little different than the rest. This layout does include a mod that increases the 10k distortion control to 100k, as 10k seems to be too small to be workable with … Read more

DAN ARMSTRONG: Orange Squeezer

DAN ARMSTRONG Orange Squeezer vero layout v1a 905228ca1651

A classic – the Dan Armstrong Orange Squeezer.  It’s a very simple feedback-based compressor using JFETS as variable resistors, driven by a single diode acting as a half-wave rectifier.   This makes it pretty snappy to play, unlike an optical compressor which is traditionally a bit slower and smoother – not that there’s anything wrong … Read more