HUDSON: Sidecar Overdrive

HUDSON Sidecar vero layout v1a e8b2825df1c5

I did a layout for the Hudson Sidecar a couple of years ago, and I retraced my steps recently and found a few things that needed to be updated.  The Sidecar is a progression of the 999 Overdrive, which is Hudson’s version of a ‘green box’ overdrive, made for people like me that don’t like … Read more

ETI: The Fuzztone, a Dan Coggins Design

ETI Dan Coggins The Fuzztone vero layout v2 9de6ab860b99

The Fuzztone is an early design of Dan Coggins before Lovetone or Dinosaural appeared.   The first publication in ETI (Electronics Today International magazine) actually had an error on the schematic – it wasn’t critical, as it just changed the frequency response a little, and it lost some level along the way in the filter … 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

PEDALPCB: Pendulum Harmonic Tremolo

Harmonic trem freq resp 294c3ccbe410

I don’t know much about the origins of this one, as PedalPCB don’t seem to have listed any information on it (at least that I can find anyway).   The Pendulum is a Harmonic Tremolo, meaning the signal is split in two paths, each with either a high or low pass filter; they’re modulated separately and then summed back together for … Read more

DYLAN159: Clown Centurion

DYLAN159 Clown Centurion vero layout v1 772494b48272

The Clown Centurion is a rework of a Klon Centaur by Dylan159 on FSB.  Be sure to check the links below, as there’s a lot of handy information on this project.  I won’t attempt to explain it, as you’re better off reading what Dylan says. FSB thread link.  Link to Dylan’s blog, which is quite cool – a lot of … Read more