Freeman String Symphonizer

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via this auction

"The OG string machine. Very rare. This machine was the progenitor of the whole 1970s string synth sound. If you want something as lush as an ARP Solina or equivalent but totally unique this is it. 25 oscillators (!), absolutely huge sounding with a very useful 5 octave keyboard. Fully polyphonic.
Onboard spring reverb, animation (which introduces 6 LFOs) and onboard EQ can do a lot for shaping. Even has a cable out for a leslie.

Selection buttons for Octaves are a bit finicky but do function (one light is out), keybed is clacky and uneven but functions.
Comes with unique Cordovox volume pedal with built in pitch bend switch.
Functions completely but has not been serviced in the entire time I've owned it. It may need a recap and general once-over for adequate future-proofing."

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Alesis A6 Andromeda 61-Key Polyphonic Analog Synthesizer

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via this auction

"This andromeda works 100%
Very clean shape.

I was surprised just how 'vintage analog' it sounded. I was able to get 'ms-20 like' dual reso filter screams and other 'real analog-only' realms that i found very impressive indeed.

Full size ribbon controller! Hello CS80! (It does have a lot of cs80 vibe inside)

Modern classic without a doubt."

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Roland Jupiter 6 61-Key Synthesizer

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via this auction

"Iconic Jupiter 6 Synth. Bought new by my uncle many years ago and kept in cool dry storage until it was gifted to me last year. Had it serviced and the power supply replaced last year by the legendary techs at Custom Vintage Keyboards here in LA. They declared it was internally in perfect condition

Note: pitch bender missing a small portion of plastic (bender still works) and small crack in the plastic on one key.

The synth works perfectly with minimal clack and great steady tuning."

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Roland SH-3A 44-Key Synthesizer w/ Sample Sound Synthesis Note

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via this auction

"It is an analog additive/subtractive synth with a single VCO with 3 waveforms and 5 footages, all mixable. It has 1 white/pink noise generator which you can send to VCA or VCF. There are 2 LFO's: LFO 1-sawtooth wave form; LFO 2-sine or square wave and delay. Both LFO's assignable to VCO, VCF, or VCA. It has a resonant self-oscillating low-pass filter with frequency and resonance controls. Four mode "sampler" section with adjustable level and sample time. Variable Portamento with momentary "off" switch. One ADSR with level sliders. It has been recently gone over by Alex at Lextronics (Calgary); he replaced a few components and it all works great! One key has a small cigarette burn (see picture); patch booklet included. Stand is not included."

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YAMAHA CS01 Mobile Analog Synthesizer SN 28879

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YAMAHA CS-5 Monophonic Synthesizer

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via this auction

"1VCO, 1VCF, 1VCA, 1EG CS simple monophonic synthesizer.

This model is simple yet equipped with the basic functions of a synthesizer, and can be recommended as an introduction to analog synths."

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Vintage Roland Juno-6

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via this auction, also on Reverb

"Vintage Juno 6 - the pioneer of the digitally controlled analog oscillator. Plus that great Roland filter, and the lush analog Chorus. This Juno 6 is in excellent operating condition and has just received a clean bill of health and a full calibration. It's in very nice condition, the only flaw with mentioning is some minor damage to the side panels at the bottom (where it would be picked up), and the dust cover for the octave transpose switch is missing--see photos."

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REON driftbox S III Analog Synthesizer In Original Box

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via this auction

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NAMM 2022: ASM Ashun Sound Machines Hydrasynth

video upload by Volterock Review

Moog Mavis - Signal flow breakdown, patch ideas, and eurorack integration

video upload by Monotrail Tech Talk

"Today I take a look at the brand new Moog Mavis and break down the architecture of the synth in a clear flowchart. This helps to see which components are available, and how modular and flexible they are. I use the flowchart to demonstrate a few patch ideas, and how the semi modular synth can be integrated in a growing modular setup."

Timetable:
00:00 – Intro & sounds
01:44 – Mavis architecture
08:11 – Patch ideas
20:24 – Eurorack integration