Earthquaker Devices Special Cranker

EQD Special Cranker 861dbd5bd925

Here’s EQD’s newest offering, the Special Cranker. Developed from the Speaker Cranker, this one is like two basic Electra’s with switchable hard clipping diodes in between (1N60Ps like the original Speaker Cranker or Soviet germanium D9Ks). Easy fit for a 1590B. Here’s the schematic for reference. Normally I throw a demo in, but just go … Read more

EAE: Model feT Preamp

EAE Model Fet schem f10c23b39217

I saw that DirtBox Layouts has done a layout for this from the schematic on PedalPCB – it’s one that I’ve been wondering about for a while after playing with the CODA FX Black Hole Doom Machine.  I had an idea of what was happening, but I was slightly off in some parts around the transistors replicating the power … Read more

D*A*M: Grand Magnus Orbiter (incomplete trace), Tag Board Layout

DAM Grand Magnus Orbiter tab board layout v1a 0c561cbb4172

It’s a Tone Machine / Arbiter Doubler – let’s get that out of the way up front. Here’s the thread on the D*A*M forum for the Grand Magnus Orbiter Rainy day project for me, as I already have a Tone Machine that I’m happy with.  Not sure I’d ever be up for a two-layer tagboard … Read more