Keeley Moon Op Amp Fuzz Pedal

£149.00

Guitars Pedals Amps & Stuff are excited this week as the almighty Keeley Moon Op Amp Fuzz Pedal is now back in stock. These are built to an exceptionally high standard. We deliver Keeley Electronics Guitar FX straight to your door via our tracked *roadie service* across the UK, Europe, and the USA. A firm favourite among the finest gear available in the UK. if you want the full low down, click through to the Keeley Electronics crew direct for more details, images, specs, and all the good stuff. The Keeley Moon Op Amp Fuzz pedal is a supermassive destroyer,…

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Guitars Pedals Amps & Stuff are excited this week as the almighty Keeley Moon Op Amp Fuzz Pedal is now back in stock. These are built to an exceptionally high standard. We deliver Keeley Electronics Guitar FX straight to your door via our tracked *roadie service* across the UK, Europe, and the USA. A firm favourite among the finest gear available in the UK. if you want the full low down, click through to the Keeley Electronics crew direct for more details, images, specs, and all the good stuff.

The Keeley Moon Op Amp Fuzz pedal is a supermassive destroyer, spinning galaxies of gain! Tidal wave bass response gives you tones as heavy as gravity itself. The Moon's unique filter control offers an expanded range of usable tones, with the filter switch positioned below giving you three distinct EQ phases: "classic" scooped mids, flat EQ, or full range. Feed the Moon Op Amp Fuzz with your favorite drive pedals, and unlock worlds of complex tones!

Quad Op Amp Design

The Moon’s massive sound is achieved with a quad op amp delivering four stages of gain and fuzz. This circuit has its roots in Keeley's popular Dark Side pedal. In that design, Keeley tailored the tone and gain of the pedal to be a vintage-sounding fuzz optimised for lead work. They wanted to go 180 degrees in the other direction with the Moon pedal's tone — to achieve infinite-sounding dreamy deep fuzz!

This is a punishingly heavy op amp fuzz designed to extend your guitar or bass frequencies as low as possible. This also means that your lead tones will be extremely harmonically rich. So thick is the fuzz, that your notes will rise and peak into brilliant feedback!

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Key Features

  • Quad Op Amp design delivering 4 stages of gain and fuzz.
  • Based on the fuzz circuit in the popular Keeley Dark Side pedal, but highly tweaked for infinite-sounding dreamy deep fuzz.
  • 3 distinct EQ Modes: Scooped, Flat, Full.
  • True bypass switching.
  • Made in Edmond, USA.
  • Can be powered by a regular 9V DC PSU (centre negative, 2.1 mm, 10 mA current draw).

Stuff About Keeley Electronics

Keeley Electronics are known for making standout compressor pedals and more. Founded with a passion for tone and innovation, their gear has shaped countless records and players’ sounds. Look out for their iconic designs and flagship models — they’ve earned a reputation for reliability and creativity.

The Important stuff

Fuzz — Fuzz is one of the earliest and most distinctive guitar effects, known for its thick, gritty, and saturated tone that completely transforms your sound. It works by heavily clipping the audio signal, producing a raw, almost broken distortion that defined the sound of the ’60s and ’70s rock era. Classic pedals like the Fuzz Face and Big Muff became legendary for their roaring sustain and rich harmonic texture. Modern fuzz pedals range from vintage-style warmth to wild, synth-like chaos, making them perfect for players who want to add character, attitude, and a touch of chaos to their tone.. Guitar FX — Guitar effects pedals add character, texture, and personality to your sound. From subtle ambience and reverb to heavy distortion or experimental modulation, effects shape how your guitar interacts with the world. A good setup starts with the basics like overdrive, delay, and chorus, then expands into creative territory with fuzz, phaser, or looper pedals. Whether you want vintage tones or modern soundscapes, experimenting with different combinations will help you discover your own signature style..

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