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EML 400/401

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Page last updated Mar 27, 2026

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Description

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Dive into the world of vintage modular synthesis with the EML 400/401, a revered choice among synth enthusiasts and sound designers. This modular synthesizer is a harmonious blend of historical design and modern functionality, offering musicians the ability to create and manipulate sound with unparalleled precision. The EML 400/401 is renowned for its unique approach to modular synthesis, providing a distinctive sonic palette that is both rich and versatile.

This system stands out for its innovative use of patch points, allowing users to explore a wide array of soundscapes and textures. The EML 400/401 is equipped with a series of oscillators, filters, and envelope generators, making it an ideal choice for those who seek to push the boundaries of sound creation. Its modular nature ensures that each component can be customized, giving you complete control over your musical expression.

Whether you're crafting ambient soundscapes or complex rhythmic patterns, the EML 400/401 offers the tools you need to bring your creative vision to life. Its design invites experimentation, making it a favorite among artists who value both tradition and innovation.

Key Features:

Unique modular design for personalized sound creation
Multiple oscillators and filters for a wide range of tones
Extensive patch points for creative exploration
Renowned for its historical significance in modular synthesis
Ideal for both experimental and traditional sound design

Videos

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DJjondent

EML ElectroComp 400 & 401

DJjondent

EML 400/401 - On The Run

DJjondent

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about EML 400/401.

Mods and upgrades

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Adapter PCBs and risers are suggested to accommodate modern low-profile Bourns sliders in the EML 400/401, maintaining original slider alignment.
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A 3D-printed adapter can physically mount new sliders, incorporating wiring channels for better fit without printed PCB tracks.
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Setup and maintenance

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Replacing the EML 400/401's plastic sliders is necessary due to wear and wobble, with sizes being 1.25" travel distance and 2" overall length.
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Build quality

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Original EML 400/401 sliders are held by rivets, not tabs, complicating disassembly and reassembly with bolts after cleaning.
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User experience

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Simple adhesive techniques can secure replacement sliders, and improvisational solutions can save money and effort in repair scenarios.
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Artist usage

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John Bender

Singer, Keyboardist

Verified via Photo

This information was taken from the insert accompanying the John Bender box set, Memories Of Mindless Mechanical Monologues. Herein, John mentions purchasing the EML 400/401 sequencer.