EMS Synthi AKS (1972)
A portable modular analog synthesizer made in Putney, southwest London, introduced in 1972 and designed by David Cockerell.
Overview
The EMS Synthi AKS is a vintage analogue instrument built by EMS of England. Introduced in 1972, it's a portable version of the Synthi A, which itself was functionally identical to the VCS3 but housed in a flight case. This model includes the DK1/2 keyboard and KS sequencer, and was designed by David Cockerell.
Specifications
| Serial number | 45300KS |
| Power | This EMS Synthi AKS operates on 240V or US 110V (switchable) |
| Power cable included | a brand new power-chord and cinch-jones interconnect cable |
| Matrix pins | a brand new set from EMS included with the instrument |
| User manual | a copy of the user manual (PDF only) |
| Dimensions | 3.25″ H X 20″ W X 12″ D |
Design
The Synthi AKS is housed in a Spartanite case, known for its durability. The control surface shows some wear and a small mark (low-D) in the KS blue finish, while the case has a minor burn mark on the front left of the 'SYNTHI' plate. The nickel catches and hinges display normal patina, with one rear hinge locking securely though not sitting perfectly flat—both lids remain fully secure. It includes a cinch-jones interconnect cable and a new set of matrix pins. A VCO stabilisation modification is available per EMS guidelines for £480 GBP.
Context
The Synthi AKS followed the Synthi A, which debuted in May 1971, and was demonstrated by Jean Michel Jarre. As a later model, it represents the evolution of EMS’s portable modular synthesizers. Though functionally similar to the VCS3, its integrated flight case, keyboard, and sequencer made it a distinct performance-ready instrument.
Market
This example was sold for £12,990 GBP in August 2021 after being fully serviced, and came with a 3-month warranty. Dealer-supplied units are currently listed between £15K and £18K GBP, with other examples priced up to £18,900. A recent private sale in the US reached $4,200. It is described as a rare, fully-serviced unit—no museum piece, but a working instrument showing honest signs of age and use.
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