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EMS Synthi AKS

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Page last updated Feb 20, 2026

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Description

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Step into the world of classic analog synthesis with the EMS Synthi AKS, a revered instrument that has captured the imagination of musicians and sound designers alike since its inception in the 1970s. This iconic synthesizer is renowned for its unique pin matrix modulation system, which allows for an unparalleled level of creativity and experimentation, making it a favorite in studios around the globe.

The Synthi AKS is a portable powerhouse, combining the capabilities of the EMS Synthi A with a built-in keyboard and sequencer, housed in a briefcase-like design. Its distinctive sound is characterized by rich, warm tones and the ability to produce a wide array of sonic textures, from lush pads to otherworldly effects. Whether you're a seasoned professional or an experimental enthusiast, the Synthi AKS offers a tactile and intuitive interface that encourages hands-on exploration.

A notable feature of the Synthi AKS is its three oscillators, which provide a robust foundation for sound creation. The synthesizer's comprehensive control panel includes a variety of knobs and switches, enabling intricate manipulation of sound parameters. The onboard sequencer, another key element, allows for complex pattern creation, elevating your compositions to new heights.

Key Features:

Iconic pin matrix modulation system for dynamic sound shaping
Integrated keyboard and sequencer for melodic and rhythmic programming
Three oscillators for a broad range of sound generation
Compact, portable design in a briefcase-style case
Intuitive interface with extensive control options for real-time sound manipulation

Videos

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JannisAnastasakis

Improvising "On The Run" (Pink Floyd) - EMS Synthi AKS

JannisAnastasakis

Alka - Demoing The EMS Synthi AKS Mk 1 (Pt 1/2)

alka

EMS SYNTHI AKS solo. Remember

Claude Menu

The Incredible EMS Synthi AKS from 1971 - 24Bit Record

Chris Mick Studentsmusic

EMS Synthi AKS : VCS3 - Easy Instructional Video

Andy Whitmore

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about EMS Synthi AKS.

Features and functionality

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The Synthi AKS can mix external audio with synth audio, allowing simultaneous control of oscillators with audio inputs and the built-in keyboard.
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The Synthi AKS uses a patch matrix where the keyboard pitch control shares points with external audio inputs, enabling pitch tracking and audio following.
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Setup and maintenance

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The envelope shaper must be turned to manual with pins at specific points (e.g., 3D, 12A) for proper functioning.
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Different colored pegs in the patch matrix have varied resistances, with modern red, white, and yellow pins at 2k7 1% resistor, and green pins at 68k.
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Software and compatibility

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The Synthi operates on a unique voltage standard: Oscillators 1 and 2 at 0.32 V/Oct, and Oscillator 3 at 0.20 V/Oct.
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Using a Keystep Pro set to 1.2V/Oct can achieve successful pitch tracking with the Synthi.
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Use cases and applications

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It has been effectively used with techno and gabber-style kick and cymbal patterns, with toms being particularly effective for triggering oscillators.
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Paolo Tofani

Guitarist

Area - International POPular Group

Verified via Photo

Visible in this photo of Tofani and mentioned in this page from Tofani's official website.

Come ho menzionato nella mia biografia, quando ero in Inghilterra cominciai ad interessarmi di strumen-ti elettronici, la ragione di fondo, a prescindere dalle fantastiche soluzioni sonore offerte da i miei Synth AKS, era quella di trovare nuove soluzioni per espandere lo spettro sonoro della chitarra.

Il convertitore della EMS era fantastico, ma c'erano dei seri limiti, il traking era critico e per ottenere un buon risultato dovevo suonare la chitarra in una particolare ottava e questa mi ha fatto sviluppare una strana tecni-ca che, ovviamente, limitava la mia creatività.

It is also mentioned by Tofani in this Strumenti Musicali interview.

SM: In quel periodo hai cominciato anche a lavorare e a fare ricerca sui sintetizzatori, giusto?

PT: Ero insieme a un cierto Tito Zinovieff, sai quegli scienziati tipo Archimede! Era anche un appassionato di musica e stava construendo una macchina che aveva a che fare con le impronte digitali ma attraverso il suono. Così durante le sue ricerche e i vari tentativi è riuscito a costruire questi strani marchingegni musicali tra cui il synth AKS (che si richiudeva in una valigetta nera tipo 24 ore nera), e il VCS3 che era fatto di legno ed era una specie di mobiletto che non potevi assolutamente portari dietro (era quello che, per esempio, avevano i New Trolls). Erano delle macchine interessanti perché avevano degli oscillatori e un patch key che ti permettevano di lavorare molto bene.