Electro Harmonix MEL9

A Time Machine: The Spirit of the Sixties Mellotron in a Pedal Format

Born in the early 1960s, the Mellotron became an icon because it popularized a revolutionary idea for its time: playing realistic timbres from magnetic tape recordings, with a "bank" of sounds associated with each key. Considered one of the very first samplers, it marked the pop, rock, and progressive scenes of the 60s and 70s with its warm strings, airy flutes, and hypnotic choirs.
The MEL9 continues this lineage by adopting the technology behind the B9, C9, and KEY9 pedals: the goal is not to turn your instrument into a keyboard, but to give you direct access to Mellotron-type textures, playable in real time, with your attack, dynamics, and phrasing.

For Whom and For What: From Retro Rock to Modern Ambient

The MEL9 is aimed at guitarists and bassists who want to enrich their palette without adding bulk to their setup: cinematic intros, string pads behind a riff, melody doubling like a flute section, or choirs to thicken a chorus. It is also very suitable for keyboardists who want to "color" a mono signal with vintage timbres without using a MIDI solution.
In terms of styles, it feels at home in orchestral pop, psychedelic rock, progressive, post-rock, ambient, shoegaze, and even atmospheric metal when layering choir pads over a rhythm section. In the studio, it opens immediate arrangement possibilities; live, it fills the space like a mini orchestra while remaining controllable like a classic pedal.

Controls and Operation: Sculpting Attack, Sustain, and Mix

The MEL9 features 9 sounds inspired by the most evocative banks of the original Mellotron: Orchestra, Cello, Strings, Flute, Clarinet, Saxophone, Brass, Low Choir, and High Choir. The sound selector lets you switch textures in one move to instantly adapt your arrangement to the song.
Two settings are at the heart of the "tape" experience: Attack adjusts the sound's attack time (perfect for going from a sharp start to a gradual pad), and Sustain controls the decay duration after releasing the note, simulating a shorter or more enveloping hold. With the Effect (processed) and Dry (unprocessed) outputs, you can balance the Mellotron presence, send the dry signal to an amp and the processed signal to a second chain (reverb, delay, modulation), or record two separate tracks for a very clean mix.
The pedal operates without a dedicated sensor and without MIDI implementation: plug in, play, and the engine follows your articulations. Full tracking of bends, slides, and vibrato is a major advantage for maintaining the expressiveness of a guitar or bass, where some "synth" solutions can feel rigid.

The Sound

The MEL9's sonic character aims to capture what musicians love about the Mellotron: a soft, slightly grainy, and immediately nostalgic texture, with a "tape" quality that pairs beautifully with deep reverbs and delays. The string and orchestra sounds fill the spectrum without becoming harsh, the winds (flute, clarinet, saxophone, brass) add a singing articulation, and the low/high choirs create an almost liturgical dimension when notes are allowed to breathe.
It excels when playing sustained chords, slow arpeggios, simple and expressive melodic lines, or subtle doubling behind a main part. To recall the aesthetic that made it legendary, think of the textures popularized by bands and artists like The Beatles, The Beach Boys, The Kinks, The Rolling Stones, Pink Floyd, Led Zeppelin, Yes, Klaus Schulze, or Kraftwerk: that "harmonic haze" that transforms a chord progression into a soundscape.

Technical specifications

Effects	Modeling Processor, Synthesizer	Use	electric guitar
Format	Pedal	Color	White
Type	sector

9 sounds	Orchestra, Cello, Strings, Flute, Clarinet, Saxophone, Brass, Low Choir, High Choir	Sustain	duration of the sound’s decay after the note is released
Compatibility	guitar, bass (down to the open A string), keyboard (mono audio output)	Connections	" Effect " output (processed signal), " Dry " output (unprocessed signal)
Instrument modification	not required	Dimensions	102 mm (L) x 121 mm (W) x 89 mm (H)
Special pickup	not required	Power supply included	9.6V DC 200 mA (PSU)
MIDI implementation	not required	Required power supply	9.6V DC
Tracking	bends, slides and vibrato	Current	200 mA
Attack	adjustment of the sound’s rise time	Registered trademark	" Mellotron ", property of David Kean, M. Resch AB and Markus Resch