Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated .

Reverb
5.0 (5)
$240.86 New
$207.43 Used
Thomann
4.7 (11)
$225.00 $222.00 $3.00 · All time low

Average Price: $223

High-end/Boutique

$60

$151+

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Standard

High-end

Price History

Based on price data from 1 merchant for "ThorpyFX Heavy Water". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.

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Description

Unleash the full sonic potential of your guitar with the Thorpyfx Heavy Water, a dual-boost effects pedal that caters to musicians seeking precision and versatility. This pedal is not just about amplification; it’s about refining your tone with high headroom and dynamic range. The Heavy Water features two independent boost channels, each with its own distinct personality. Channel one mirrors the classic, pristine boost circuit of the renowned Dane, while channel two takes your sound further with added grit and drive, thanks to germanium diodes.

Whether you’re performing in a small club or on a grand stage, the Heavy Water ensures your sound remains clear and powerful. The intuitive layout includes dual boost and low controls, allowing for seamless adjustments on the fly. True bypass switching guarantees your tone remains untouched when the pedal is disengaged, preserving the integrity of your original sound.

Crafted in the UK, the Thorpyfx Heavy Water is built to withstand the rigors of the road, offering reliability and performance in a compact form factor. With its standard jack inputs and 9V power compatibility, integrating this pedal into your setup is as simple as it gets. However, keep in mind that battery operation is not supported, so make sure your power supply is ready.

Key Features:

  • High headroom dual boost
  • Dual boost circuits: Dane circuit and germanium diode-driven circuit
  • 2x boost and 2x low controls for precise sound shaping
  • True bypass for signal integrity
  • 2x effect on LEDs and 2x effect bypass footswitches
  • 6.3 mm jack input and output
  • 9 V DC power supply required (not included)
  • Made in the UK

Product specs

Available since August 2019
Effect Types Booster

FAQs

What kind of power supply does the ThorpyFX Heavy Water Boost require?

The ThorpyFX Heavy Water Boost requires a standard 9V DC power supply, commonly used with guitar pedals. It does not support battery power.

Can the ThorpyFX Heavy Water Boost be used with both electric guitar and bass?

Yes, the ThorpyFX Heavy Water Boost is versatile and can be used with both electric guitar and bass, providing a clean boost that enhances your instrument's natural tone.

How does the ThorpyFX Heavy Water Boost differ from other boost pedals?

The ThorpyFX Heavy Water Boost offers dual independent boost circuits, allowing for a wide range of tonal flexibility and dynamic control, which sets it apart from many other boost pedals.

Is the ThorpyFX Heavy Water Boost suitable for live performances?

Yes, the ThorpyFX Heavy Water Boost is designed for both live and studio use, providing reliable performance with high-quality components and a robust build.

What are the main tonal characteristics of the ThorpyFX Heavy Water Boost?

The ThorpyFX Heavy Water Boost is known for its transparent boost, preserving the original tone of your instrument while adding clarity and presence, making it ideal for enhancing solos or cutting through a mix.

Chris Buck

Chris Buck

I Waited MONTHS for this Pedal | Friday Fretworks

Video thumbnail for I Waited MONTHS for this Pedal | Friday Fretworks by Chris Buck

I Waited MONTHS for this Pedal | Friday Fretworks

Chris Buck

Chris Buck

Video thumbnail for Brand New Thorpy Heavy Water, the boost side of The Dane and so much more.. by Peter Honoré

Brand New Thorpy Heavy Water, the boost side of The Dane and so much more..

Peter Honoré

Peter Honoré

Video thumbnail for ThorpyFX Heavy Water Dual Boost by AndyDemos

ThorpyFX Heavy Water Dual Boost

AndyDemos

AndyDemos

Video thumbnail for THE BEST BOOST EVER JUST GOT BETTER! Thorpy FX Heavy Water (Demo) by Jackson Brooksby

THE BEST BOOST EVER JUST GOT BETTER! Thorpy FX Heavy Water (Demo)

Jackson Brooksby

Jackson Brooksby

Video thumbnail for Thorpy FX Heavy Water Dual High Headroom Boost Overview | Pedal Demo Video by Sound Affects

Thorpy FX Heavy Water Dual High Headroom Boost Overview | Pedal Demo Video

Sound Affects

Sound Affects

Video thumbnail for Thorpy FX Heavy Water -  American Musical Supply by American Musical Supply

Thorpy FX Heavy Water - American Musical Supply

American Musical Supply

American Musical Supply

Video thumbnail for Thorpy Heavy Water Pedal Sound Samples - As good as the Dane? by Gigs & Guitars

Thorpy Heavy Water Pedal Sound Samples - As good as the Dane?

Gigs & Guitars

Gigs & Guitars

Reviews

PROS

  • Dual boost options offer versatility in tone

  • Enhances all frequencies, improving overall sound quality

  • Can stack boosts for increased effect

  • Built to last with high-quality construction

  • Low knob effectively tames high frequencies

  • Adds rich harmonics and improves note definition

  • Works well with a wide range of amps and guitars

  • Complements other effects pedals when stacked

  • Provides significant boost even with minimal settings

  • Offers a wide range of tonal options and gain

CONS

  • Significant volume boost even at lowest setting

  • Dual-footswitch layout might be cramped for some

  • Too much boost for some applications

  • Minimal settings don't approach unity gain

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ThorpyFX Heavy Water.

Features and functionality

  • The Thorpyfx Heavy Water has two distinct sides: one acts as a light overdrive, and the other is a clean boost, offering diverse tonal options.

    Source
  • The pedal includes an alternative germanium boost option, offering versatility not found in every boost pedal.

    Source

User experience

  • Users found the pedal's volume increase to be significantly higher than other boosts, which can cause challenges in managing volume consistency in pedalboard setups.

    Source

Setup and maintenance

  • The pedal may cause clipping in digital pedals like the Hof reverb due to the high output volume, suggesting a need for careful signal chain placement.

    Source

Use cases and applications

  • The pedal works well directly into low headroom amps, where it can drive the amp into pleasant overdrive rather than just increasing volume.

    Source
  • The Heavy Water is praised for fattening single-coil pickups, making it a staple for strat players seeking a fuller sound.

    Source

Software and compatibility

  • Compatibility issues may arise with some analog and digital delays that can't handle the pedal's high output, suggesting careful selection of supporting gear.

    Source

Comparisons

  • Owners find the Heavy Water's boost side comparable in quality to the Dane pedal, indicating high satisfaction with its performance.

    Source

Critic Reviews

ThorpyFx Heavy Water review | Guitar World

guitarworld.com

The ThorpyFX Heavy Water is a powerhouse dual boost pedal that excels in versatility, allowing musicians to effortlessly switch between clean and gritty tones. Its robust build quality and practical EQ controls enhance sound without compromising tonal integrity. While it may lack negative aspects, some users might find its extensive gain options a bit overwhelming. However, for those seeking both subtle enhancements and screaming solos, this pedal is a worthy addition to any rig.

positive

Review: ThorpyFX Heavy Water

guitar.com

The ThorpyFX Heavy Water is a versatile dual booster that packs a punch in a compact package. Musicians will appreciate its ability to deliver both clean and gritty boosts, making it ideal for various tonal needs. The clever design allows for seamless switching between circuits, providing ample tone-sculpting capabilities for any style. However, the absence of a battery compartment may deter those seeking more portable options. Additionally, while the sonic differences between the two circuits might not be drastic, they offer unique textures that can enhance performance. Overall, this pedal is a well-crafted tool for tone enthusiasts, though it might not suit everyone's preferences.

positive

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Artist usage

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See how Paul Arthurs uses ThorpyFX Heavy Water

Paul Arthurs

Guitarist

Oasis

...
Verified via Photo

In this Instagram post from the stage of Oasis' Live 25 shows, the ThorpyFX Heavy Water dual boost pedal can be seen on Bonehead's board.

Genre Usage

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Used With

Based on how musicians on Equipboard use ThorpyFX Heavy Water, it is most commonly used with the following gear.

Community setups

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healthycannibal

healthycannibal

Gear IQ 69

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