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via this VEMIA listing

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Note VEMIA is Peter Forrest's auction house. He is the author of The A-Z of Analogue Synthesizer Books.

"A great example of one of the absolute classics: a late-model Synthex, checked and serviced ready for this auction. Being a low-volume production item, the Synthex went through a few revisions before Elka mistakenly gave up on it because of lack of commercial success. Originally without MIDI, this was first added as a rather awkward breakout box using a 15-pin computer interface. A later version had the MIDI sockets on a metal plate set in to the right of the computer interface, and the final version had the MIDI IN OUT and THRU fitted to the actual back panel of the synth, and did away with the 15-pin interface.

This is the version in the auction, serial number 1543 - a very late example, and arguably the best version of all. It's in really nice cosmetic condition: as usual, the large wooden end cheeks aren't perfect, but the panel and keys are beautiful. Serviced in early 2025 ready for this auction."

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Ex Paul Davis Casio CZ5000 w/ Books

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via this VEMIA listing

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"Casio CZ5000 flagship Phase Distortion polysynth with case and paperwork Ex Paul Davis, the much loved Music Technology lecturer at Ealing College in the 1970s and 1980s who passed away in 2021. He purchased this brand new and used it as his main MIDI synth controller and teaching device through the 1980s and also based his own Music Technology dissertation on it. It has a nice collection of books to go alongside including the original sales folder from Chromatix the keyboard specialists in Ealing. We are trying to find the original reciept as well and it will be included if it turns up. The keyboard had been thoroughly checked out and is in perfect working order apart from slight crackle on the volume and chorus sliders which will probably go away with a bit of usage. It is sad to let this go but we would rather it was used than just sitting behind the sofa gathering dust."

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Modor NF-1 polyphonic desktop synth

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via this VEMIA listing

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Original PPG Brochures

via these listings

Original brochures for the following:

PPG Wave 2
PPG Computer Sequencer PPG 350
PPG 360 Wave Computer
PPG Model 1020 Digital Synthesizer
PPG 380 Event Generator 340 Wave Computer
PPG Wave 2.2
PPG Wave 2.3 / pro
PPG Waveform

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Yamaha CS-30 Vintage Analog Synthesizer SN 2589

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"Yamaha CS-30 Vintage Analog Synthesizer from around 1977 in excellent condition.

Fully functional and working great. The step sequencer is a lot of fun!

Unique sounding machine that has some of the same components of the legendary Yamaha CS-80"

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Vermona Mono Lancet '15 Monophonic Analog Desktop Synthesizer SN D 34923

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Unison test of the 8 voice polysynth

video upload by Craig Barnes

"I finally fixed a lot of issues on the filter board with signal routing, a couple of bad connections, a lost ground, some signal inversions etc. All of these hsve now been addressed and I can concentrate on the software side of the synth to fix and implement features."

Waldorf STVC Demo

video upload by Panu M Savolainen

"Multitracked demo of Waldorf STVC string synthesizer and vocoder. Only tweaked factory patches and internal fx used."

Abandoned Prairie Town

video upload by davidryle

"A Vector Sequencer project running the large format modular.
The slow pace was the experiment basis and the Vector Sequencer really handles that perfectly. I also added the Jack Expander module to the Vector so I had four sequence lines this time to send to the modular.
The drone bass is a Mos-Lab clone of the Moog 901. No need for a sequencer there as it is a single pitch.
The opening sound is the pair of Matrix modules. This sound effect is heard again at the closing passage.
The opening slow pad note sequence is the STG vco's and G294A filter through a Strymon Blue Sky pedal.
The swell pattern is two Q206's to the Q150 filter. The stereo signal is routed through a Lexicon MX200 for pitch shift and chorus.
The distant ghostly piano sounding sequence is two lines from the Vector to a pair of TZ vco's and the Yusynth Arp 4072 filter. The final effect chain is the Stasis Leak delay module and the Z-DSP signal processor.
The flutter sounding noise is the Dove WTF to a Tau Pipe phaser and an Oakly SVF in high pass mode.
The wind effects were the West Coast Noise Source to the MOTM 440 filter and the Q110 noise module to the Dove D502 filter in band pass mode."

Aphex Twin - Polynomial-C (Covered with roland aira compact S-1)

video upload by ghostradioshow

"Aphex Twin - Polynomial-C (1992)
Written by Richard D James.

Covered by Ghostradioshow with roland aira compact S-1."