Ashdown is renowned for its amplifiers and effects units, produced primarily for bass but also for guitar. Based in Chelmsford, Essex, England, the company was founded in 1997 by Mark Gooday—formerly the chief engineer and manager at Trace Elliot—who designed the logo based on the badge from Austin-Healey sports cars. Ashdown’s unwavering focus on design and innovation is evident across its product range, which includes tube and hybrid amplifiers, combos, practice amps, effects pedals, and more.
Ashdown Engineering remains true to its roots today, just as it was in 1997.
Its signature effects pedals are developed and manufactured in the UK for international artists, drawing on the wealth of expertise and experience Ashdown has accumulated over the past 25 years.
The Geezer Butler signature "The Pedal of Doom" is a meticulously crafted bass distortion pedal, born from 18 months of passionate collaboration with the legendary Geezer Butler. At its core, the pedal centers on its EQ section. Featuring an active 5-band EQ and the ability to fine-tune the pre-EQ stage of the distortion circuit, it allows you to access two distinct sounds, each with its own unique character and harmonic response.
Geezer Butler’s influence is palpable in every detail of the pedal. "The Pedal of Doom" lets you capture that signature vibe and deploy those unique harmonics exactly when you need them. Each pedal is handmade in Essex, England, and features an isolated DI output and two switchable EQs. Dual VU meters ensure the bass signal remains perfectly balanced throughout the signal path, allowing for precise EQ fine-tuning to match your instrument's output. Unwanted volume spikes are a thing of the past—allowing you to enjoy consistent, powerful tones.
And of course, it wouldn't be "The Pedal of Doom" if you couldn't pump a massive amount of gain into your amp or PA system. Whether you're looking for subtle distortion or a rich, saturated tone, this pedal has you covered. It is the result of countless requests for a Geezer Butler preamp pedal based on the "Head of Doom," and we are proud to have captured that signature sound.
Before release, we sent the pedal to Geezer for his assessment, and his reaction speaks volumes: "Without a doubt, this is the best-sounding and best-designed pedal I’ve ever played; combined with my amp, it truly delivers the 'Doom' sound I’m known for."
Specifications:
Geezer Butler Signature "Pedal of Doom" Preamp
A comprehensive dual EQ + Drive pedal for bassists who want to shape their tone and switch between standard tonal options and drive sounds
High-quality construction
Dual VU meters ensuring the bass signal is balanced at both the input and output stages of the signal path
Switchable dual EQ and switchable drive
Rich harmonic distortion
Dual EQ for shaping the sound of both channels
Features a balanced pro-grade DI output (compatible with any line-level input)
4-band EQ: Bass, Low-Mid, Hi-Mid, and Treble
Dimensions (H x W x D): 60 x 180 x 120 mm
Weight: 1.2 kg
Power supply: 9V–18V DC (not included)
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.jpg "Preview: Ashdown Geezer Butler Pedal of Doom")
.jpg "Preview: Ashdown Geezer Butler Pedal of Doom")
.jpg "Preview: Ashdown Geezer Butler Pedal of Doom")
.jpg "Preview: Ashdown Geezer Butler Pedal of Doom")
.jpg "Ashdown Geezer Butler Pedal of Doom")
.jpg "Ashdown Geezer Butler Pedal of Doom")
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