1970's Roland SH-2000 (Serviced, Recapped) SN 536900

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"The SH-2000, introduced in 1973, is Roland’s second synthesizer and is essentially a limited version of the . Like the 1000, it is a single-oscillator monophonic analog preset synthesizer designed to sit atop a home organ. This SH-2000 was meticulously cleaned/serviced internally by our in-house technician:

-Replaced all electrolytic capacitors.
-Cleaned and tinned traces and hard wired sub-modules to main PCB.
-Cleaned all switches
-Cleaned keybed assembly
-Pulled pins and tensioned/cleaned molex connectors.
-Completely tuned and calibrated."

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1970's ARP SE-IV Solina String Ensemble SN 0096177

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"From Kraut-Rock to Prog to New Wave to Post-Punk, the Solina String Ensemble has been on hundreds of tracks through out the 70s and 80s! Often simulated, but nothing compares to the original. This has to be one of the cleanest examples we've seen come through our shop , sounds absolutely gorgeous. Soft bag included.

SE-IV model: stereo outputs!"

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Oberheim Matrix-12 (USA, Unique "De-Clicked"!)

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"Super clean. I'm really picky about noise floor, so much so that I had a tech create a special "de-click" mod for this unit. All Matrix 12's and Xpanders have a random periodic static sounding click that's pretty quiet and normally not noticed, except in quiet moments. With a slightly modification to one of the ICs, this is the only unit I know of that doesn't have that issue! (This clicking issue has been confirmed on USA and Japanese versions of both the Matrix 12 and Xpander) Totally functional, cosmetically very nice for a vintage instrument. Individual outputs. USA version with power supply and other components recently checked. As good as it gets!"

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Yamaha CS-80 CS80 Analog Synthesizer 1977 w/ MIDI Unison Mod

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video by Tom Jones

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"Yamaha CS-80 CS80 analog syntheisizer from the late 70's. It has been professionally refurbished and includes Kenton MIDI, Unison Mod, new CMOS, fresh calibration, PSU rebuilt, etc.

Everything on this synthesizer works perfectly as the video shows. All voices are in tune. All sliders work perfectly without noise or issues. All functions are 100%!!

The Unison Mod works by flipping the sustain switch from I to II. All voices are stacked on the same note in this position. Pressing any other key simultaneously will pull voices from the unison voice. The red button below the tune knob is for MIDI functions. The switch next to it is for switching between MIDI LFO and front panel LFO.

The Kenton MIDI install and Unison Mod were a $3000 USD job. Replacing all CMOS on the KAS and TKC boards is also a very expensive preventative maintenance job. Receipts can be furnished for these repairs..."

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Sequential Circuits Prophet 2002 Sampler w/ Expanded RAM and Lotherek Floppy Emulator SN 0050

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"Very rare Sequential Circuits Prophet 2002 w/ Expanded RAM Lotherek Rev F Floppy Emulator. Recently serviced. Works perfectly. Includes 16GB SD card. CEM 3379 Filter / VCA. Incredible sounding 12bit sampler with with voice stacking / detune and arpeggiator."

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Yamaha FS1R Formant/FM Synth SN PH01132

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Dave Smith Sequential Prophet REV2

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#FFS​ #FebruaryFilterSweep​ with the Roland SYSTEM 100

video by Robert Saint John

"Even older synths have something to say about the frivolous actions of YouTube and so-called publishing rights holders whose algorithms misinterpret filter sweeps on synthesizers as violating their content. Here's two filter sweeps in one for ya', from the 1975 Roland SYSTEM 100 Synthesizer"

You can find additional #FFS demos in this post.

Yamaha SK-30 | Once upon a life

video by MIDERA

"Yamaha SK-30 through an Eventide Space and Strymon El Capistan.

It's a limited instrument. But I like it. I really enjoy the organ and the monosynth, almost the two best parts of it. Here, the organ is playing along the entire keyboard, so it's played alongside the lead. They just sound so good together.

I thought I wouldn't like this... after reading that all voices in the polysynth engine shared 1 VCF (filter), I was certain this wasn't a keeper. This was something to throw out a week later.

I think I was wrong. It probably won't get into my main rig, but I'll place it meaningfully in my studio as an instrument, like my drums or guitar.

It's got a soul. It helps me write what I'm feeling. And for that, I like it."

Yamaha SK-30 demos by MIDERA

[demo] 30 Minutes of Abstract Atmo Eternal Patch (Blofeld)

video by Synthesizer Video Service

"This is a demonstration of a self-playing eternal patch, programmed on a Waldorf Blofeld synthesizer. A lot of modulations were used. There was no external post-processing and no external effects were applied. The arp is playing some notes from time to time but the hands were off the unit and the keyboard.

If you want to get the empty Blofeld patch sheet (PDF), scroll down on this page: https://www.frequture.net/support/sup..."