Welcome to the updated & improved SynthRestore website! We are constantly seeking to improve our services & the products we offer. Alongside our analogue synth spares, we still offer repairs and servicing to your vintage analogue synthesizers & related equipment. We have recently added a secondhand synths for sale page

NEW PRODUCT - Model ZV10 synthesizer. EXTREMELY LIMITED edition (only 8 available) Details to follow Feb 2016.

The AR-57 Aurora synthesizer is our very own creation (manufactured under the name of Harpur Instruments).

It is not licenced to be sold by any other retailer.

Each AR-57 synth is hand-built and tested on-site, making it a truly British made product.

UK price £995

AR-57 synthesizer. Made in England.


3 analogue oscillators, 2 sub oscillators, LFO (tri, saw, square, random). Plus a unique 'pattern' waveform.

Circuits utilize Military-spec. components.

Full details of functions and audio demo's here.

If you are a dedicated synth-player or just interested in analogue sounds, the AR-57 covers a wide variety of both musical, and non-musical sounds.


From prog-rock solo's detuned with a fifth, to 'Radiophonic'-style electronic sweeps and atmospheres. Plus, extremely fat bases, and subs.





The AR-57 Aurora analogue synthesizer. Made in England.


The AR-57 has 3 powerful sounding analogue oscillators, which enable you to create detuned chord patches, and interesting sounds.

The modulation section is the key to the synth's versatility. All modulation waveforms can be mixed, in combination.

A unique 'pattern' waveform enables the creation of pseudo-arpeggios, and basic sequences. Check out the demo's for examples.


We're now on Wordpress!


Moog Minimoog replacement PCB's

  • Fully built & tested.
  • Made to the original design.
  • VCF / VCA board.
  • Dual envelope board

ARP 2600 modules

  • 4012 Voltage controlled filter
  • 4020 ADSR
  • 4019 Voltage controlled amplifier
  • 4027 Voltage controlled oscillator

Boutique FX pedals

2015 demo's here

secondhand synths for sale

roland tb303

If you have an item that you need serviced or repaired (Moog, Oberheim ARP, Korg etc). Please email for a free quote.


Roland TR909

Fancy a British made synthesizer or modular synthesizer? Here for more details of the range we offer.


EMS synthi AKS

We can service your classics, like the EMS Synthi AKS, Roland Jupiter 8, Moog Minimoog.


World flags

International shipping is available on spares, from here in the UK. Postage costs are automatically added when using PayPal buttons. We are happy to deal with most countries, and your business is welcomed.

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Copyright 2016 Adrian Dolente / A Unified Field. Unauthorized copying, reproduction, hiring, lending, public performance and broadcast of demo's and/or music tracks on this website is prohibited.
Copyright Synth Restore / Harpur Instruments. 57 Harpur Street, Bedford, MK40 2SR. England. Please read the Terms & conditions