📘 Electro-Harmonix manuals • Free online PDFs

Electro-Harmonix Manuals & User Guides

Electro-Harmonix (EHX) is a legendary NYC-based manufacturer of guitar effects pedals and vacuum tubes, famous for the Big Muff Pi and Memory Man.

Tip: include the full model number printed on your Electro-Harmonix label for the best match.

Electro-Harmonix Support

Official site: https://www.ehx.com/
General support: https://www.ehx.com/support/
Warranty & registration: Warranty info
Support phone: +1 718-937-8300
Support email: info@ehx.com
Contact form: Contact manufacturer support

Electro-Harmonix manuals

Latest manuals from manuals+ curated for this brand.

Electro-Harmonix Crayon Full-Range Overdrive User Manual

User Manual

Comprehensive guide to the Electro-Harmonix Crayon Full-Range Overdrive guitar pedal, covering controls, power, battery replacement, warranty information, and FCC compliance.

Electro-Harmonix Micro Synth Analog Guitar Synthesizer User Manual

User Manual

User manual for the Electro-Harmonix Micro Synth, an analog guitar synthesizer. Learn about its four voices (Guitar, Octave, Sub Octave, Square Wave), filter sweep controls, operation, power requirements, warranty information,…

Electro-Harmonix Nano Pulsar Variable Shape Stereo Tremolo Pedal User Manual

User Manual

User manual for the Electro-Harmonix Nano Pulsar Variable Shape Stereo Tremolo pedal, detailing its operation, controls, connections, specifications, and warranty information.

Electro-Harmonix Effects Interface Hardware Plugin User Manual

manual

Comprehensive user manual for the Electro-Harmonix Effects Interface Hardware Plugin, detailing its features, setup, operation, and technical specifications for guitarists and audio professionals.

Electro-Harmonix Bass Big Muff Pi 2 (BBMP2) User Manual and Specifications

User Manual

Comprehensive guide to the Electro-Harmonix Bass Big Muff Pi 2 (BBMP2) pedal, covering operating instructions, controls, connections, and technical specifications for bass guitarists.

Electro-Harmonix XO Bass Micro Synth User Manual and Guide

user manual

Comprehensive guide to the Electro-Harmonix XO Bass Micro Synth, detailing its features, controls, operation, power requirements, and warranty information. Learn how to create a wide range of analog bass synthesizer…

Electro-Harmonix Eddy Analog Vibrato & Chorus Pedal User Manual | EHX

User Manual

User manual for the Electro-Harmonix Eddy analog vibrato and chorus guitar effects pedal. Learn about its features, controls, quick setup guide, and important warnings for optimal use.

Electro-Harmonix 360+ Looper: User Manual & Advanced Settings

User Manual

Comprehensive user manual for the Electro-Harmonix 360+ Looper, a compact and powerful effects pedal. Learn about its features, operating instructions, controls, loop memory, and advanced settings for guitarists and musicians.

Electro-Harmonix Q-Tron+ Envelope Controlled Filter User Manual

user manual

User manual and technical guide for the Electro-Harmonix Q-Tron+ Envelope Controlled Filter, detailing its features, controls, operation, settings, and warranty information.

Electro-Harmonix Blurst Modulated Filter User Manual

User Manual

User manual for the Electro-Harmonix Blurst, an analog low pass filter pedal with internal LFO modulation, expression pedal control, and adjustable resonance, blend, and volume. Includes setup, controls, warranty, and…

Electro-Harmonix Op-Amp Big Muff Pi User Manual | Operation & Warranty

User Manual

Detailed user manual for the Electro-Harmonix Op-Amp Big Muff Pi guitar effects pedal. Learn about its controls, operation, battery replacement, and warranty information from Electro-Harmonix.

Electro-Harmonix Pico Intelligent Harmony Machine User Manual

User Manual

User manual for the Electro-Harmonix Pico Intelligent Harmony Machine (IHM), a compact harmony generating guitar pedal. Learn about its features, controls, operating instructions, and power supply requirements.

Electro-Harmonix manuals from online retailers

Electro-Harmonix Tone Tattoo Multi-Effect Pedal User Manual

TATTOO • September 21, 2025

Comprehensive user manual for the Electro-Harmonix Tone Tattoo multi-effect pedal, covering setup, operation, controls, and specifications for its analog delay, chorus, and distortion effects.

Electro-Harmonix Freeze Sound Retainer Pedal User Manual

FREEZE • September 16, 2025

Official user manual for the Electro-Harmonix Freeze Sound Retainer Pedal, providing detailed instructions on setup, operation, maintenance, and specifications.

Electro-Harmonix Ring Thing Single Sideband Modulator User Manual

THING • September 15, 2025

The EHX Ring Thing ring modulator presents state of the art modulation control allowing the user to explore a new sonic world that is both familiar and inventive.…

Electro-Harmonix MEL9 Tape Replay Machine Pedal User Manual

MEL9 • September 13, 2025

The polyphonic MEL9 uses the same extraordinary technology as the B9, C9 and Key9 to transform your axe and resurrect the sound of vintage tape-based keyboards.

Electro-Harmonix 7025EH Vacuum Tube Instruction Manual

7025EH • September 5, 2025

Comprehensive instruction manual for the Electro-Harmonix 7025EH Vacuum Tube, covering installation, operation, maintenance, troubleshooting, and specifications.

Electro-Harmonix Nano Metal Muff Instruction Manual

NANO METAL MUFF • September 5, 2025

Comprehensive instruction manual for the Electro-Harmonix Nano Metal Muff distortion pedal, covering setup, operation, maintenance, troubleshooting, and specifications.

Electro-Harmonix Metal Muff with Top Boost Distortion Pedal User Manual

METAL MUFF • September 5, 2025

User manual for the Electro-Harmonix Metal Muff with Top Boost Distortion Pedal, covering features, setup, operation, maintenance, troubleshooting, and specifications.

Electro-Harmonix Pico POG Polyphonic Octave Generator Pedal User Manual

PICO POG • August 23, 2025

The Electro-Harmonix Pico POG is a compact and powerful polyphonic octave generator pedal designed to add octave effects to your guitar signal. It features precise tracking for both…

Electro-Harmonix Micro POG Polyphonic Octave Generator Pedal User Manual

MICRO POG • August 23, 2025

The Electro-Harmonix Micro POG is a polyphonic octave generator pedal designed to add octave effects to your instrument's signal. It offers flawless polyphonic tracking and musical flexibility, allowing…

Electro-Harmonix Crayon Full-Range Overdrive Pedal User Manual

CRAYON 69 • August 22, 2025

Official user manual for the Electro-Harmonix Crayon Full-Range Overdrive Pedal, covering setup, operation, maintenance, troubleshooting, and specifications.

Electro-Harmonix Voice Box Vocal Harmony Machine/Vocoder Pedal User Manual

VOICE BOX • August 12, 2025

Comprehensive user manual for the Electro-Harmonix Voice Box Vocal Harmony Machine/Vocoder Pedal, covering setup, operation, features, maintenance, troubleshooting, and specifications.

Electro-Harmonix Big Muff Pi Guitar Effects Pedal User Manual

US BM • August 5, 2025

The NYC original. Hendrix and Santana were among the first to get a piece of the Pi, and for over 40 years the Big Muff Pi has been…