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Fuzz · Aion FX

Aion FX Penumbra

The Penumbra is a DIY PCB kit for building a fuzz pedal based on the ZVEX Woolly Mammoth design, featuring a bass-focused silicon fuzz circuit with pickup simulator functionality.

  • 9V DC · center −
  • 5 mA
  • Analog
  • Mono
New
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Used (asking)
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The rundown

Highlights

  • DIY PCB kit format for hands-on building
  • Bass-focused silicon fuzz circuit
  • Includes pickup simulator section
  • Runs on 9V DC (5 mA, center-negative)
  • Compact footprint at 66 x 126.2 mm

Best for

Builders and players seeking a bass-heavy fuzz pedal they can construct themselves.

Quick facts

Power
9V DC
Current draw
5 mA
Polarity
Center negative
Dimensions
66 × 126.2 mm
Stereo
No
MIDI
No
Status
In production

Where to buy Aion FX Penumbra

We have no current prices for this pedal yet.

Frequently asked questions

What power supply does the Penumbra require?

The Penumbra runs on 9V DC with 5 mA current draw and uses a center-negative power connector.

Can the Penumbra run on a battery?

Yes, the Penumbra is battery-compatible.

What are the physical dimensions?

The Penumbra measures 66 x 126.2 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.