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Average Price: $238

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$60

$201+

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Based on price data from 1 merchant for "Electro-Harmonix Clone Theory". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Step into a world of lush sonic landscapes with the Electro-Harmonix Clone Theory, a chorus effects pedal that has become a staple for musicians seeking to add rich textures to their sound. Originally lauded for its bucket brigade circuitry, this pedal is a nod to the iconic '70s Electro-Harmonix design, now housed in a compact, durable casing that fits seamlessly into any setup.

The Clone Theory allows you to effortlessly dial in everything from shimmering choruses to deep, immersive vibratos with its trio of intuitive controls: Rate, Depth, and Chorus/Vibrato mix. Whether you're aiming to capture the classic tones of yesteryear or craft something entirely new, this pedal provides the versatility and character you need.

Perfect for both stage and studio, the Clone Theory's stereo output capabilities ensure that your sound remains expansive and full, regardless of the venue. Guitarists and tone enthusiasts alike celebrate this pedal for its ability to deliver sparkling washes of sound that elevate any musical performance. Its stereo functionality is a game-changer, offering a wide spectrum of auditory possibilities that are sure to inspire.

Key Features:

  • Compact die-cast housing for durability and easy integration into pedalboards
  • Bucket brigade circuitry for authentic, vintage sound
  • Stereo outputs for expansive, multi-dimensional soundscapes
  • Controls: Rate, Depth, and Chorus/Vibrato mix for versatile sound shaping
  • Classic Electro-Harmonix design, updated for modern musicians

Product specs

Brand Electro-Harmonix
Model Clone Theory
Year 1970s
Categories Chorus and Vibrato

FAQs

What type of sound can I expect from the Electro-Harmonix Clone Theory pedal?

The Electro-Harmonix Clone Theory pedal delivers classic analog chorus and vibrato effects, known for their lush, warm sound. It is ideal for creating shimmering, spacious soundscapes and adding depth to your guitar tone.

Does the Electro-Harmonix Clone Theory work well with both electric and bass guitars?

Yes, the Electro-Harmonix Clone Theory is designed to work effectively with both electric and bass guitars, providing rich chorus and vibrato effects suitable for a wide range of musical styles.

How do the controls on the Electro-Harmonix Clone Theory pedal function?

The pedal features three main controls: Chorus/Vibrato mix, Rate, and Depth. These allow you to adjust the intensity and speed of the effect, enabling you to tailor the sound to your preference.

Is the Electro-Harmonix Clone Theory pedal true bypass?

Yes, the Electro-Harmonix Clone Theory pedal features true bypass switching, which ensures your signal remains unaffected when the pedal is not engaged.

What power supply is required for the Electro-Harmonix Clone Theory pedal?

The Electro-Harmonix Clone Theory pedal requires a standard 9V DC power supply, which is commonly used for guitar effects pedals.

ProGuitarShopDemos

ProGuitarShopDemos

Electro Harmonix Clone Theory

Video thumbnail for Electro Harmonix Clone Theory by ProGuitarShopDemos

Electro Harmonix Clone Theory

ProGuitarShopDemos

ProGuitarShopDemos

Video thumbnail for Electro-Harmonix Stereo Clone Theory Analog Chorus / Vibrato Pedal (Demo by Larry DeMarco) by EHX

Electro-Harmonix Stereo Clone Theory Analog Chorus / Vibrato Pedal (Demo by Larry DeMarco)

EHX

EHX

Video thumbnail for EHX Clone Theory in 100 Seconds by docSanchezFX

EHX Clone Theory in 100 Seconds

docSanchezFX

docSanchezFX

Video thumbnail for EHX CLONE THEORY [] Chasing ICONIC Chorus Tones by Pauly's Guitars & Gear

EHX CLONE THEORY [] Chasing ICONIC Chorus Tones

Pauly's Guitars & Gear

Pauly's Guitars & Gear

Video thumbnail for Test EHX Clone Theory Chorus Vibrato by TooNyTooN

Test EHX Clone Theory Chorus Vibrato

TooNyTooN

TooNyTooN

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Clone Theory.

Comparisons

  • The Clone Theory is noted for its similarity to the Small Clone, with true pitch vibrato in vibrato mode, distinguishing it from other chorus pedals.

    Source
  • The modern Clone Theory is smaller than the original and costs around £100 ($130), offering a similar tone despite different internal circuitry.

    Source
  • The Bass Clone pedal, with treble and bass adjustment knobs and a crossover switch, is noted for its 90s chorus vibe, unlike the 80s tone of the Clone Theory.

    Source
  • Pastfx New Division is highlighted as a more accurate and less noisy alternative to the EHX Clone Theory, with improved build quality.

    Source

Use cases and applications

  • The Clone Theory was used by artists like Talking Heads and J Mascis, indicating its suitability for those seeking a classic chorus sound used in iconic performances.

    Source
  • Users find the Clone Theory effective for playing high-end neck basslines, as it surprisingly retains bass tone well.

    Source
  • The EHX Clone Theory's noise can be likened to a "tape hiss," appealing to users seeking a lo-fi aesthetic.

    Source

Features and functionality

  • The Clone Theory's vibrato mode is described as true pitch vibrato, providing a distinct effect compared to other pedals with more of a Uni-Vibe influence.

    Source
  • Concerns about noise levels are noted, with some users having had better experiences with the EHX Eddy and Fender Hammertone Choruses for a similar sound.

    Source
  • The EHX Clone Theory is noted for its "tape hiss"-like noise, which can add a lo-fi quality to the sound.

    Source
  • Analog BBD circuits like those in the Clone Theory impart an "organic" sound with slight grit and clipping, differing significantly from digital emulations.

    Source

Critic Reviews

Electro-Harmonix Clone Theory review | MusicRadar

musicradar.com

The Electro-Harmonix Clone Theory serves up a workmanlike chorus with a twist, thanks to its intriguing vibrato mode. While it offers a decent vintage-analog sound, it doesn't quite hit the sonic heights of its siblings, leaving some users slightly underwhelmed. The fiddly battery access might be a minor annoyance, and the pedal's noise level could be off-putting for those seeking whisper-quiet operation. On the flip side, the stereo capabilities open up creative avenues, making it a reasonable choice for those looking to explore modulation effects beyond the ordinary. Give it a demo at gig volume to decide if its quirks are endearing or a dealbreaker.

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Artist usage

Add artist
See how Bruce Franklin uses Electro-Harmonix Clone Theory

Bruce Franklin

Guitarist

...
Verified via ClassicRockHistory.com

In the article "Bruce Franklin of Trouble: The ClassicRockHistory.com Interview" by Andrew Daly on ClassicRockHistory.com, it is confirmed that Bruce Franklin uses the Electro Harmonix Clone Theory:

What guitars, gear, pedals, amps, and effects are you using, and why? How has that changed from your ’80s and ’90s heyday?

I always use an ’80s Boss GE-7 Equalizer pedal and a ’70s Electro Harmonix Clone Theory Chorus/Flange pedal while occasionally using a Morley Bad Horsie 2 wah pedal.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Electro-Harmonix Clone Theory, it is most commonly used with the following gear.

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