Earthquaker Devices Crimson Drive (2-knob version)

EQD Crimson Drive Schem e32c3ad0ecd0

Here’s a good sounding overdrive from Earthquaker Devices. This is for the first incarnation of the Crimson Drive with just level and gain controls. Uses a J201 in a buffer stage and a PNP AC128 in the gain stage. Dirk_Hendrik from FSB traced one and drew this schematic. The power filter section makes me scratch … Read more

Earthquaker Devices Monarch Overdrive

Earthquaker Devices Monarch Overdrive 2a017429f6f9

30th October 2014 – Put on hold pending investigation :o) Info about the original: The Earthquaker Devices Monarch Overdrive is an FET, all discrete dirt machine that will get you some truly vintage and organic overdrive. The Monarch Overdrive is based on a certain UK hard rock amp’s input stage that shares the same color … Read more

EarthQuaker Devices Hoof Fuzz

EarthQuaker Devices Hoof Fuzz cd4325854f27

Interesting take on the Muff with LEDs replacing the usual silicon diodes and germanium transistors for Q2 and Q3.  Info about the original from the manufacturer: Our flag-ship device! The Hoof Fuzz is a germanium/silicon hybrid fuzz which is based on character of the classic green Russian muff. It is capable of creating everything from … Read more

EarthQuaker Devices Speaker Cranker

EQD Speaker Cranker 7d9bdd032681

Info about the original: The Speaker Cranker is an all discrete dirt enhancement device designed to give your signal some grit and a slight boost without drastically changing the character of your tone. It’s perfect for those that don’t like to fiddle with pesky controls yet want to add a little tube-like breakup or enhance … Read more

EarthQuaker Devices Hummingbird

EarthQuaker Devices Hummingbird 4f9b005773d2

It’s a modded Vox Repeat Percussion so more use for those 2N2646’s you stocked up on. Info about the original: The Hummingbird is, at heart, a hard and choppy tremolo. What comes out is more akin to vintage synth style oscillations. It’s core is based on the old Vox Repeat Percussion with several updates to … Read more