1977/1978 Yamaha EX-1

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Note the EX-1 is not the pre-cursor to the GX-1. That would be the "EX-42 (1970–1977, stage model, design origin of GX-1)" according to the list of Yamaha products on Wikipedia.

You can find some additional info on the EX-1 here, and throughout additional posts here.

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Sequential Circuits Model 800 Sequencer

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NR Synth Ancestor ARP 2600 Clone

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You can find demos of one in previous posts here, demo in the listing previously posted here.

Auction description Google translated: "Ancestor type "old version", unique design,.. cloning of (VCO 4027-1, ADSR 4020, VCA 4019). Devastating sync (Hard sync). LFO mode on VCO3.

My old version is the one equipped with the 4012 filter copied on the moog scale and which fitted the before the 1977 trial (the blue and gray models).

Second SEM filter.

Versatile vintage sound and exceptional dynamics.

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RSF Black Box Synthesizer SN 13229

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Hordijk 5U Rungler - Dual Fader - VCA Shaper - Phaser

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"Up for grabs is a Hordijk 5U panel with the Rungler, Dual Fader, VCA-Shaper, and Phaser modules. I took the listing down for a period of time as I was holding it for a private sale that fell through. Lesson learned.

I paid a steep premium for it as Mr. Hordijk only sells full system on a 3 year wait and doesn't even sell his modules individually. They are extremely rare and never come up for sale. It’s worth every penny. Puts your east coast synth on an SR-71 headed west immediately."

Roland System 100 Model 104 Sequencer Module

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1978 Crumar DS2 Synthesizer

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FUTURE RETRO Revolution R2 TB-303 Monophonic Analog Synthesizer w/ Original Box

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"A monophonic analog synth that faithfully reproduces the circuit and sound of the famous TB-303, 16 preset DSP effects with high-quality stereo output, and a 16-step step sequencer.

Remix function that instantly produces 256 variations per pattern Pattern memory: 256 (16 banks x 16 patterns)"

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Access Virus TI2 Desktop Synth w/ Original Box

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Yamaha CS-10 w/ Custom Colored Knobs

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"Awesome monophonic synthesizer with amazing audio input option that you can use as a tremolo, auto wag/filtering and band pass/lowpass. Sounds great and works perfectly."