📘 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

Selected manuals from manuals+ curated for this brand.

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 modes (Hardware Plugin, Pedalboard, Audio Interface), software overview, updating, MIDI configuration, and technical specifications.

Electro-Harmonix 2X12 Speaker Cabinet: Specifications, Features, and Warranty

product overview

Detailed overview of the Electro-Harmonix 2X12 Speaker Cabinet, including its specifications, setup guide, rear panel features, impedance calculations, and warranty information. Perfect for musicians seeking EHX tone.

Electro-Harmonix Nano Metal Muff with Noise Gate User Manual

User Manual

User manual for the Electro-Harmonix Nano Metal Muff pedal, detailing controls, connections, power, specifications, and warranty information. Learn how to use the DIST, GATE, VOL, BASS, MID, and TREBLE knobs,…

Electro-Harmonix Spruce Goose Overdrive Pedal - Operating Manual

Operating Instructions

Comprehensive operating instructions and specifications for the Electro-Harmonix Spruce Goose overdrive effects pedal, detailing controls, connections, power requirements, and warranty information.

Electro-Harmonix Oceans Abyss User Manual

User Manual

Comprehensive user manual for the Electro-Harmonix Oceans Abyss Advanced Reverb Laboratory pedal, detailing its features, operation, effects, and connectivity.

Electro-Harmonix Signal Pad Passive Attenuator User Manual and Product Information

User Manual

Learn about the Electro-Harmonix Signal Pad, a passive attenuator pedal for guitarists. This guide covers its applications, controls, specifications, and warranty information.

Electro-Harmonix MIG-50 50W Tube Guitar Amplifier Head User Manual and Warranty

manual

Comprehensive guide for the Electro-Harmonix MIG-50 50W all-tube guitar amplifier head, covering safety instructions, setup, front and rear panel controls, and warranty information.

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 pedal. Learn about its features, controls, operating instructions, and power supply requirements.

Electro-Harmonix NEO MISTRESS Compact Flanger User Manual

manual

Detailed user manual for the Electro-Harmonix NEO MISTRESS Compact Flanger effects pedal, covering controls, connections, warranty information, and FCC compliance.

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 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…