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Electro-Harmonix Random Tone Generator

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Electro-Harmonix Random Tone Generator

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4.0 (9)

1 Review

This product is Vintage or Discontinued

Find out who is using Electro-Harmonix Random Tone Generator

1 community setup

4 wishlisted

22 saved

Page last updated Jun 09, 2026

Pricing and availability

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Reviews

Price

Average Price: $180

Budget/Beginner

$249

$700+

Price Tier

In the Tabletop Synthesizers category, Electro-Harmonix Random Tone Generator is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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High-end

Price History

Based on price data from 1 merchant for "Electro-Harmonix Random Tone Generator". Prices shown reflect NEW condition. Tracking began Apr 22, 2026.

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Description

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Dive into the creative abyss with the Electro-Harmonix Random Tone Generator, a modern homage to the quirky and distinctive sounds of the 1980s. Not just another piece in your setup, this tabletop synthesizer brings a splash of serendipity and unpredictable tonal landscapes to your musical endeavors. Whether you're crafting atmospheric tracks or looking to add a unique twist to live performances, its switchable glide function allows for seamless transitions between notes, creating an auditory experience that's as bewildering as it is captivating. Designed for the adventurous musician, it’s your ticket to exploring new sonic territories.

Key Features:

True to the original 1980s design
Produces random tones with adjustable speed
Switchable glide function for smooth note transitions
Ideal for adding unique sounds to music production or live performances

Product specs

Brand	Electro-Harmonix
Model	RTG Random Tone Generator
Finish	Black / Red
Year	2013 - 2019
Categories	Noise Generator Pedals, Octave and Pitch-Shifting Pedals

FAQs

What is the primary function of the Electro-Harmonix Random Tone Generator?: The Electro-Harmonix Random Tone Generator is designed to produce unpredictable, random tones that can add unique textures and experimental sounds to your music production or live performance.
Can the Electro-Harmonix RTG be used with other musical instruments?: Yes, the RTG can be integrated with other musical instruments and effects pedals to create a wide range of soundscapes, making it a versatile addition to any setup.
How does the Electro-Harmonix RTG differ from a traditional synthesizer?: Unlike traditional synthesizers that allow precise control over sound parameters, the RTG generates random tones, providing an element of surprise and spontaneity in your music.
Is the Electro-Harmonix Random Tone Generator suitable for live performances?: Yes, the RTG can be used in live performances to create unexpected and dynamic sound effects, enhancing the overall auditory experience for the audience.
Does the Electro-Harmonix RTG require a specific power supply?: The Electro-Harmonix RTG typically requires a standard 9V DC power supply, which is common for many pedalboard setups, making it easy to integrate into existing equipment.

Videos

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EHX

Electro-Harmonix RTG Random Tone Generator

EHX

Electro Harmonix RTG Random Tone Generator Reissue Demo

Joel Gilardini

Electro-Harmonix RTG (Random Tone Generator)

Prymaxe

electro-harmonix RTG | Random Tone Generator

エレクトロハーモニックス

Getting weird with Electro Harmonix

60 Cycle Hum

Electro Harmonix RTG Random Tone Generator Guitar Synth | Gear4music demo

Gear4music Guitars

MESSE13: EHX Random Tone Generator

sonicstate

Reviews

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PROS

Unique soundscapes with endless variability, never the same audio experience twice
Integrates well with a wide range of effects pedals for expanded sound possibilities
CV output mod adds compatibility with modular setups
Features like speed control and glide add to its versatility
Acts as a novelty standalone unit and transforms when coupled with other gear

CONS

Lack of control over specific intervals may limit its use for some musicians
Requires additional gear (like pedals, switches) to fully unlock its potential
May be seen more as a novelty than a serious musical tool by some users

Owner Insights

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

Features and functionality

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The EHX Random Tone Generator features only an output jack, limiting its integration within a typical effects chain.
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Despite being labeled "random," the RTG plays the same sequence every time, contradicting its perceived randomness.
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Mods and upgrades

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It can be modified to serve as a CV controller, expanding its utility beyond its original design.
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Use cases and applications

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Users suggest placing it first in the chain with an AB box to create and loop unique sound samples effectively.
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Combining the RTG with delay, reverb, and looper pedals can enhance its ability to generate intriguing soundscapes.
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Ideal for noise-making setups, effectively paired with Arturia MicroBrute, Stylophone Beatbox, detuned guitars, and drone synths for diverse sonic experimentation.
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Owners find the RTG particularly suitable for minimalist rigs or when space is limited.
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Some users find the RTG useful for creating ambient, glitchy, and noise music, where its limited functionality can still be creatively exploited.
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It has been used effectively to produce sound during live tuning, offering a practical application beyond its intended novelty.
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Comparisons

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RTG offers a compact alternative to the larger SY-300, which occupies significant pedalboard space.
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The Idiotbox Dead Space Invader and Bad Dreams pedals are suggested as superior alternatives, offering more features and modulation options for similar noise-making purposes.
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User experience

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Users express satisfaction with the RTG for its intended purpose, noting it meets noise-making expectations effectively.
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4.0 out of 5

Based on 1 Review and 9 Ratings

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oliverduffy

1125

over 11 years ago

Not really a guitar pedal, more of an instrument in itself.

this thing is hours of fun as it creates random digital tones which cannot be organised, only the speed can be changed and glide can be added. When used with an octave pedal, kaoss pad, delay pedal etc, some crazy-sounding sounds can be created.

Roles:

Guitarist Bassist Keyboardist

Genres:

Electronic Rock Alternative rock

Artist usage

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Jeff Tweedy

Singer, Guitarist

Wilco

Verified via reverb.com

Jeff Tweedy owns an Electro-Harmonix Random Tone Generator, as highlighted in the Wilco Loft Shop listing on Reverb. This reissue remains faithful to its 1980s predecessor, offering unique control over random tone speed with a switchable glide function, making it an intriguing addition to any setup.