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Photo of Fulltone GT-500 Booster/Distortion and more gear in a pedalboard, studio, and guitar

Photo of Fulltone GT-500 Booster/Distortion and more gear in a pedalboard and live

Fulltone GT-500 Booster/Distortion

^# 9

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$73.58 Price Tier: Budget

4.5 (28)

2 Reviews

This product is Vintage or Discontinued

Find out who is using Fulltone GT-500

10 community setups

24 wishlisted

73 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 4, 2026.

Store

Reviews

Price

5.0 (42)

$73.58 14 available Used

View Deal

Average Price: $74

Budget/Beginner

$80

$181+

Price Tier

In the Distortion Effects Pedals category, Fulltone GT-500 Booster/Distortion is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

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Description

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The Fulltone GT-500 Booster/Distortion pedal is a powerhouse of versatility and tone, designed for guitarists who demand flexibility. With its dual-channel design and innovative signal path toggle, this pedal allows for a seamless transition between boosting and distortion, giving you the power to craft your own unique sound. Whether you're looking for a subtle boost to your clean tones or a full-throttle distortion, the GT-500 has you covered. The standout feature is its ability to reconfigure the signal path with a simple toggle, allowing you to place the Booster either before or after the Distortion channel. This feature offers unparalleled customization for your sound, perfect for those who like to experiment with their tone.

The pedal's active three-band EQ provides precise control over your sound, ensuring that you can dial in the perfect tone for any musical style. Built with Fulltone's commitment to quality, the GT-500 is designed to withstand the rigors of both studio and stage. The robust construction and long-lasting components ensure that this pedal is not only versatile but also reliable. Whether you're a touring musician or a weekend warrior, the GT-500 is an essential addition to your pedalboard.

Key Features:

Dual-channel design with independent controls
Switchable signal path for custom distortion
Active three-band EQ for precise tone shaping
Built with long-lasting, durable components
Designed for both studio and live performance

Product specs

Brand	Fulltone
Model	GT-500
Year	2010s
Made In	United States
Categories	Distortion Pedals, Overdrive and Boost Pedals

FAQs

What type of power supply does the Fulltone GT-500 require?: The Fulltone GT-500 Booster/Distortion pedal requires a standard 9V DC power supply, which is common for many guitar pedals, or it can be powered by a 9V battery.
Can the GT-500 be used with both guitar and bass?: Yes, the Fulltone GT-500 is versatile enough to be used with both electric guitars and basses, providing robust distortion and boost capabilities for either instrument.
How does the GT-500's distortion differ from other pedals?: The GT-500 combines both distortion and boost in one unit, offering a wide range of tonal options. Its distortion section provides a thick, saturated sound, while the boost section can enhance signal clarity and volume.
Does the Fulltone GT-500 have true bypass?: Yes, the Fulltone GT-500 is equipped with true bypass, ensuring that your signal remains unaffected when the pedal is not engaged.
Is the GT-500 suitable for heavy metal music?: The GT-500 is capable of delivering high-gain distortion, making it suitable for heavy metal and other genres that require aggressive tones. Its dual-section design allows for customizable sound shaping.

Videos

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ProGuitarShopDemos

Fulltone GT-500 GT500 Overdrive Distortion Pedal

ProGuitarShopDemos

Fulltone GT-500 Booster/Distortion Pedal Review by Sweetwater Sound

Sweetwater

Fulltone Effects Gt-500 Gain Distortion and Overdrive Booster Pedal

soundpurestudios

Fulltone GT-500 pedal demo

Steven van der Steen

Fulltone GT-500 Overdrive/Boost and Distortion Demo

David Fisher (tibbon)

Fulltone - GT 500 || Guitarspot.gr Review

GuitarSpotGr

Fulltone GT 500 FET Distortion Boost Pedal | An Inside and Out in Depth Review | Tony Mckenzie

tonymckenziecom

Fulltone GT-500

JAM's Factory 1996

Reviews

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PROS

Highly responsive with a wide range of dirt
Offers nice tone shaping options
Boost side comparable to Fulltone Fat Boost
Distortion has a great 3 band EQ
Clear and powerful boost feature
Distortion full and not "buzzy"
Versatile EQ settings on both sides
Features options for signal path customization
Exceptional build quality, durable
Can achieve great plexi tones

CONS

Sounds better with single coils than humbuckers
Drive less exciting compared to other options

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Fulltone GT-500 Booster/Distortion.

Features and functionality

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The GT-500's distortion side benefits significantly from internal voltage doubling to 18V, enhancing its performance over the standard 9V setup.
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Improved input and output impedance in the modified version offers increased input from 150kΩ to 1.1MΩ and reduced output from 15kΩ to 150Ω for better signal clarity.
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The pedal features a simplified tone knob designed to act as a harmonics control, primarily cutting the top end and enhancing usability.
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The pedal's EQ is highlighted as a key feature, allowing users to effectively shape their tone within a mix.
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Build quality

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The modified version maintains a loud output, comparable to the original GT-500, ensuring it effectively drives the front of an amp.
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Mods and upgrades

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The custom version uses two pairs of JFETs in a mu amp configuration, avoiding clipping diodes for a purer distortion sound.
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Use cases and applications

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The GT-500 integrates well with a setup including a Korg tuner, Boss Tremolo, El Capistan, and DD-7, maintaining clarity even at high gain levels.
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The GT-500 is praised for its performance with a Vox AC30, enhancing the amp's tonal qualities.
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When run at 18V, the GT-500 transforms from harsh to delivering a warm, character-rich drive, suitable for both light grit and full saturation.
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The boost side of the pedal is favored as an always-on low-gain tone enhancer, adding consistent warmth and depth.
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Comparisons

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Users prefer the GT-500 over the Full-Drive 2, citing a more powerful sound and better integration with their rig.
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User experience

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There's variability in the boost side's unity volume, with some users reaching it around 11 o'clock, while others note it requires turning up to 3 o'clock.
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Owners report a newfound appreciation for the pedal's responsiveness to guitar volume knobs, particularly when powered at 18V.
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Some users experience a love-hate relationship with the pedal despite its versatility and solid build, indicating fluctuating satisfaction over time.
Source

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4.5 out of 5

Based on 2 Reviews and 28 Ratings

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1 star

davecase1

232

about 12 years ago

versatile overdrive for guitar and bass enthusiasts

I SWEAR by the OD on this pedal for guitar and bass. You can dial in some great plexi tones with the distortion and signal path switch. A must have in my book.

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