The Jeds Peds Overunder is a fuzz built around two germanium transistors, which the maker describes as a "box of germanium goodness". It is sold by Jeds Peds both as a DIY kit and as a finished pedal, and the maker says it compares to the Fuzz Factory 8 by Zvex1. Jeds Peds also lists other germanium and fuzz projects such as the Fuzz Face kit, the Red Llama kit and the Silicon Tone Bender.
The controls
The Overunder has eight controls. Jeds Peds lists Vol, Comp, Drive, Stab and Gate as "fairly standard" and "totally interactive", meaning each one affects how the others behave, in the way players of Fuzz Factory style circuits expect1.
| Control | What it does |
|---|---|
| Vol | Master volume |
| Comp | Compression |
| Drive | Drive |
| Stab | Stability |
| Gate | Gate |
| Pre | An input saturation control1 |
| Tone | A simple tone control1 |
| Blend | Blends between two input caps to make it "more fatterer"1 |
The last three go beyond the standard five. The Pre control works on the signal before the fuzz stage, the Tone shapes the output, and the Blend lets you move between a tighter and a fuller input voicing1.
Kit and pre-built versions
The Overunder is sold in six forms, so you can take on as much or as little of the build as you like1:
- PCB Only: just the plain PCB
- PCB & Components: the PCB, onboard components and any pots and toggle switches
- PCB & Components and off board parts: as above, plus the foot switch, jacks, 9v socket and LED
- Full Kit: as above, with an undrilled enclosure
- Full Kit & Drilling: the Full Kit with all the holes drilled for a complete pedal, for a small surcharge
- Pre Built Kit: assembled by Jeds Peds, priced at £57.00 GBP
The Full Kit enclosure is undrilled. Drilling is an optional extra with a small surcharge, and covers all the holes needed for a complete pedal1.
The Pre Built Kit has a 1 to 4 week build time, and no returns are accepted on it. Jeds Peds does give a 12 month repair warranty, so if a fault develops the pedal will be repaired1.
Videos
Budget Pedal Chap
Questions
Is the Jeds Peds Overunder a kit or a finished pedal?
Both. Jeds Peds sells the Overunder in several forms, from a plain PCB up to a Pre Built Kit that arrives assembled and ready to play. In between are PCB and components options and a Full Kit with an undrilled enclosure, with drilling available as an optional extra for a small surcharge. Pre Built Kits have a 1 to 4 week build time.
What is the difference between the Overunder and the Zvex Fuzz Factory?
Jeds Peds describes the Overunder as a kit that compares to the Fuzz Factory 8 by Zvex, built around two germanium transistors. The Overunder adds controls beyond the standard set: a Pre input saturation control, a simple Tone control, and a Blend that mixes between two input caps for a fatter sound.
What does the Blend control do on the Overunder?
The Blend control blends between two input caps, which Jeds Peds says makes the sound more fatterer. In practice it lets you move between a tighter and a fuller low end at the input of the fuzz.
Does the Overunder come drilled?
The Full Kit comes with an undrilled enclosure. Drilling is an optional extra for the Full Kit at a small surcharge, and covers all the holes needed for a complete pedal.
What is the warranty on a pre-built Overunder?
Pre Built Kits carry a 12 month repair warranty, and no returns are accepted. Jeds Peds says that should a fault develop, the pedal will be repaired under that warranty.
How long does a pre-built Overunder take to arrive?
Pre Built Kits have a 1 to 4 week build time before they ship.
Sources (1)
- Overunder, Jeds Peds (jedspeds.co.uk)



