Vintage SAi 4 Channel Music Sequential SN 3316

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"Vintage S.A.I 4 channel music sequential 1970s 80s Analog Audio Music Production"

If anyone knows more about this unit, feel free to comment. It appears to be a pulse trigger sequencer or possibley a drum machine?

You can see four leds on the front left. Under and to the right you can see buttons for On, Pulse, Seq, and 1 - 4, followed by SEQ Speed, and Music Level. The back only has two 1/4" jacks and what appears to be two propietary? If anyone can ID the other two, let us know.

The number of jacks and the Music Level knob makes me question whether it's a trigger device vs. having its own sounds. If it were a trigger device you'd think there would be four 1/4" outs, so more likely some sort of rhythm machine?

If you know, let us know. Also if you know of any other products from SAi or any additional info on them let us know.

This one was spotted and sent in via M Me.

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Teenage Engineering OP-1

via SYNTH CITY Reverb

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Polyend Tracker Standalone Audio Workstation w/ Case

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via SYNTH CITY Reverb

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"Gently used Tracker, tested in great working condition. Includes carrying case and usb cable."

Novation BassStation Rack SN 020920

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Oxford Synthesizer Company OSCar 37-Key Analog Monophonic Programmable Music Synthesizer

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Yamaha CS40M

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"Great condition, pro serviced at Rosen Sound last year….

The CS-40m is a duophonic (2-voice) analog synthesizer that was introduced in 1979. Although Yamaha had already conquered polyphony with their legendary 8-voice CS-80, the CS-40m offered a more affordable approach to something other than a mono-synth. It has a semi-compact 44 note (3 1/2 octave) keyboard, 36 knobs, 12 sliders and over a dozen buttons for easy hands-on performance and editing. There are also 20 patches of memory which can be off-loaded to cassette tape."

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Roland JD-800 Digital Programmable Polyphonic Synthesizer

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via this auction, also on Reverb

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Sammich SID Commodore 64 (C64) MIDI Chiptune Synthesizer w/ MOS Technology Inside Logo

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MOS Technology Inside
MOS 6581

OP–1 field, now with vocoder!

video upload by teenage engineering

"our favorite scientists micke reuter & mikael ericsson are back at it doing important scientific research for our latest OP–1 field update. use any input source as a modulator: built-in microphone, a headset or even the radio or usb.

explore the update here: https://teenage.engineering/now#vocoder"

EREBUS Reissue by Dreadbox / Mystery Bass Patch

video upload by Dreadbox

"Orestes creates a mystery bass patch on the Erebus Reissue synthesizer.

Features
- All Analog Paraphonic Synthesizer
Faithful Reproduction of the Erebus V1

- 2 Oscillators with 2 Waveforms each
Separate Glide controls and Hard Sync function

- 2-pole Low Pass pre-fed Filter

- 1 ADSR envelope and a AR Amp Envelope, snappier than the V1

- OTA VCA

- Lo-Fi Delay effect

- Wide Range LFO

- 15 patch points for an astonishing and spectacular modular experience

- Compact, USB powered, Eurorack Format (42HP)"