MATRIXSYNTH

Thursday, November 06, 2025

EMS Putney s/n 377 & D.K.1 -Cardiff Unit SN 377

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via this Vemia listing

Click the auction link on top when you get there for additional listings.

"I bought this lovely old VCS3 / DK combination in April's VEMIA. Apparently the last of Cardiff University's EMS gear after many years. I knew the top panel was a bit tatty - the photos were clear - but I didn't think it would matter much in use. Actually it did. The bottom panel was excellent (except for Cardiff Uni's incised name and the serial number - exactly like the other one sold on VEMIA and the one on the Wikipedia entry). The wood of the case was excellent. So the missing screenprint bits on the main panel actually got to be annoying. Luckily the brilliant Robin Wood and Lucid were able to work out a solution. Robin had a replica panel made and screenprinted, and Lucid did the painstaking job of installing it. The result is just beautiful and well worth the expense.

Unfortunately circumstances mean that I now need to sell it. Everything else is exactly as it was in the last auction, so I'll use the same photos from that, just adding some new ones of the beautiful new main panel. It will be in perfect working order, thanks to Lucid's expertise.

As of Oct 31 it is now back at VEMIA and will be shipped from there.

Packing 30GBP."

Cloney Synthey and DKS

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via this Vemia listing

Click the auction link on top when you get there for additional listings.

Pics of the inside below.

"It is complete with DKS keyboard and has been recently serviced by the clone circuit designer Derek Revell. It has a gate input modification but apart from that is unmodified.

It's now at VEMIA, and is in great near-mint cosmetic condition. One catch is a little bit fiddly, but that's about the sum of any problems."

Cwejman S1 MkII SN 291

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via this Vemia listing

Click the auction link on top when you get there for additional listings.

"One of very many items from Calum Hunter's superb home studio. Beautiful Cwejman S1 Mk2 semi-modular analogue synthesizer. Rare and sought-after, of course. This gorgeous near-mint cream / eggshell coloured version is serial number 291.

Thorough checking shows that the PWM range of one oscillator is much lower than the other, but otherwise everything seems exactly as it should be. Packing 12GBP to include a UK or Euro IEC mains lead."

Buchla 208e module / Music Easel

Note: links to listings are affiliate links for which the site may be compensated.


via this Vemia listing

Click the auction link on top when you get there for additional listings.

Pic of the inside back below.

"Buchla / BEMI 208e rev3 module in like new condition. All is good working, better than from the factory. I installed NOS µA726 and (re)calibrated the oscillators tracking, they have similar range and track well, the CO over 4 octaves and the MO over 5 octaves. I scaled the AM so that it reaches full level with the slider all the way up (and not around mid-course like on many units, which twists the waverform and causes modulation at double frequency). I can install it in a powered boat for standalone use. I can do modifications such as stiffer pots, Rogan knobs, dedicated out for each LPG or the CO (to sync the VCS3 Card's oscillator and FM the MO), reverb mix CV input, noise generator... Happy to discuss this with the buyer."

PPG Wave 2.3 v8

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via this Reverb listing

"An absolute legend. Super rare PPG Wave 2.3 with v8 software. This PPG has been completely serviced, bushings replaced, all caps replaced, old lcd replaced with a Noritake VFD (no more output whine), and the OS upgraded to v8. I have a copy of the PPG manual as well and it is available online.

The v8 software fixes the bugs of the original, allows for sysex dumps, and even allows dumping wave files to the PPG from the Wavesim plugin. Due to age and fragility, unit is local pickup only and as is. Being local pickup, you of course will be able to go through it and verify all is functioning."

Clef Microsynth (B-30) Owners Manual

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via this Reverb listing

"Brand New black and white printed Owners Manual for the Clef Microsynth (model B-30), made in 1982 or so and originally a DIY hobby kit project for an electronics magazine. The user manual has all construction information for the monophonic synth, including a list of components, schematics, and instructions on the control panel from the designer.

Dimensions are 21.5cm wide by 27cm high, professionally printed and bound and approximately 48 pages. The book will have 'Not for Resale' grey band printed on it (as seen in the photos) as it is a limited edition and only a few copies have been printed off."

Red Cyclone Analogic TT-303 Bass Bot V2 w/ Dust Cover & Manual

Note: links to listings are affiliate links for which the site may be compensated.


via this Reverb listing

E-MU Systems SP-12 Turbo 8-Voice Drum Sampler

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via this Reverb listing

"E-mu SP 12 Turbo

220v

New screen, new PSU, new battery

8 out of 10 aesthetic condition

Perfect electronically

One of the best 12 bit samplers and drum machines ever! Superior sound over the later SP 1200"

Roland TR-505 Rhythm Composer Drum Machine

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Perfect Circuit listings

Yamaha DX7 Digital FM Keyboard Synthesizer SN 91289 w/ Sycologic Upgrade Card

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Perfect Circuit listings

"New backlit display installed

Sycologic upgrade card installed"

You can find some info on the Sycologic upgrade in this older post.

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