Geezer Butler "Pedal of Doom" Bass Distortion & Preamp with Dual EQ and DIGeezer Butler-inspired bass distortion & preampDual EQ voices + transformer-isolated DILimited stock in hand and ready to shipHigh demand, short supply we have 1 in stock Ready to Sh
High demand, short supply we have 1 in stock Ready to Ship!!! Free shipping Continental USA!
Capture the heavy, harmonically rich bass tone made famous by Geezer Butler. The Ashdown Pedal of Doom is a bass distortion/preamp built around an active multi-band EQ and transformer-isolated balanced DI, so you can go from subtle grit to crushing doom while keeping your signal tight and consistent on stage or in the studio.
Iconic tones on tap: From classic Sabbath grind to modern doom/stoner textures.
Two switchable EQs: Sculpt two distinct voices (clean/drive or two gain flavors) and switch between them instantly.
Active EQ control: Bass, Low-Mid, High-Mid, plus shared Treble for precise cut/boost and mix-ready clarity.
Pro I/O: Transformer-isolated DI to FOH/interface with stable level and minimal noise.
Dual VU meters: Visual level monitoring to avoid gain jumps and keep your output consistent.
Road-worthy: Ashdown design/engineering from Essex with rugged construction.
Pre-shape your drive with pre-EQ for tighter low end and focused mids.
Set two scenes (e.g., “groove” vs. “doom”) and flip between them live.
Record direct using the onboard DI for thick, mix-ready bass tracks.
EQ (per side): Bass Low-Mid High-Mid (shared) Treble
Switching: Two independent, switchable EQ channels
Meters: Dual VU
Outputs: 1/4″ out Balanced DI (transformer-isolated)
Power: 918V DC, center-negative (external supply)
Pedal of Doom unit
Quick start card (manufacturer)
In stock now (limited qty).
Local pickup available at El Cajon Guitars & Music (select at checkout).
Shipping: Continental U.S. available at checkout. Questions? Email us: [email protected].
Is this the “Geezer Butler” pedal?
Yesthis model was developed with his tone in mind and approved by the legend himself.
Can I run straight to the mixer or interface?
Yes. Use the balanced DI to go direct to FOH or your recording interface.
Will it work with 9V power?
Yes. It accepts 918V DC, center-negative (power supply not included)
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