MATRIXSYNTH

Oberheim OB-MX 12 Voice Analog Synthesizer SN MX001123

via this auction

"Oberheim OB-MX analog synthesizer with all 6 voice cards (12 voices)."

YAMAHA PSS-270 FM / Glitch Synthesizer

via this auction
"Right Panel Provides Digital Glitch Synthesizer........

10 x Switches, Metal Touch Point and Green Soft-Touch Knob access an array of new FM Synthesizer patches, Scrambled Drums, Modified Chord Sounds, Bizzare Envelope Effects and entirely new Patches based on Corrupted / Combined / Scrambled & Distorted Versions of the original preset.
Un-predictable, Randomly generated, complex FM Synth sounds & Strange Modulation.
Controlled by -

2 x Spring-Loaded Toggle Switches, which when flicked on/off/on will scramble the current instrument patch and generate an entirely new synthesizer instrument. Use the Top Switch to scramble the instrument preset, and the bottom switch to generate a random envelope for the new sound.

4 x Data-Line Switches on the top of the panel, flicking the switches and changing between instrument patches will generate a new patch based on a Corrupted / Combined version of the original preset.

4 x Glitch Switches Below, can be used in combination with the Data-Line Switches for additional corruption, when used with the Accompaniment.

Glitch Knob - Green Soft-Touch Knob. Deliberate interference with the machine's sensetive clock circuit generates scribbly drum rolls, and pitch effects for the Chord.

Metal Touch Point - Touch Lightly with a finger for scrambled Drums, Synthy Sounding Hits, and Restoring Drum Sounds when required. Glitch Knob Can be used to set the sensitivity."

Video at the auction and previously posted here.

Vermona Perfourmer Quad Analog Synthesizer

via this auction

"Awesome 4 voice analog mono/duo/poly vco synthesizer. Includes optional CV inputs in addition to midi. Wood ends also."

Vintage Paia 3760 Polyphonic Synthesizer 1975?

via this auction
inside a Paia 3760

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Serge Sonica Keytar Vintage Analog Mini Synthesizer

via this auction

"super rare 1/600 Sonica Limited Edition Synthesizer made by Frank Eventoff in Los Angeles in the 70's. In excellent condition, although the thin foam membrane covering the speaker has disintegrated and can and should be replaced. There are two small dark streaks on the brass near the half-step button that are minor original blemishes. The case is included as well as the original paperwork. This is a fun little unit for jamming on and is very easy to play. The output jack is a strange 1/8" that I haven't found the exact right plug to fit it. I have just played the internal speaker and recorded to mic.

Some info from the documentation:"The Sonica is a portable self contained synthesizer designed to simplify the playing of music... an electronic sensor that converts the pressure of your touch into creative musical tones and expressions... carved from Red Alder, a domestic hardwood. several coats of lacquer. Finished by hand. The face and trim are solid brass protected with baked enamel finish. " Serial Number 592, one of last ones made!"

Korg MS-01 Expression Pedal MS-20 Synthesizer CV Gate

via this auction

Original Moog MINIMOOG synthesizer operation manual

via this auction

"Original owners operation manual for the Moog Minimoog model 204D

This is an auction for a genuine Moog Minimoog owners operating manual. The manual contains the usual operating instructions with a useful section on external inputs. It also contains technical data and very useful fold out schematics on the minimoogs circuitry."

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ASAMA DS-3 DRUM SYNCE Synthesizer

via this auction

Another branding of the Coron Storm DS-3. Curious how many there were. See the labels at the bottom of this post for more.

"Attaches to any drum and is programmable to produce a range of classic 80s sounds. No PSU required, as it uses a PP3 battery. Fine condition - see photos.

Controls and functions:

Volume
controls the output volume

Sensitivity
controls the sensitivity of the module (the threshold at which it is triggered)

Rate
controls the speed/rate of the LFO wave that controls the pitch

Decay
controls the length of the sound

Mode
controls the depth of the LFO wave that controls the pitch

VCO
controls the pitch of the Oscillator

Sweep
controls the range in which the oscillator sweeps

FT/SW
input for footswitch

FT/SW
input for footswitch

Out
audio output"

Novation Supernova II

via this auction

"Features at a glance:
Synthesis System: Analogue Sound Modelling.
Polyphony: 24 voices for the standard Supernova II (expandable), 36 voices for the Supernova II Pro, and 48 voices for the Supernova II Pro X.
Three oscillators, two ring modulators and one noise source per program.
Eight different FM/Ring mod algorithms.
Modulation matrix with over 130 possible routings.
Eight-part multitimbrality.
12-, 18- and 24-dB-per-octave resonant filter, configurable in low-pass, high-pass and band-pass modes, plus overdrive.
Two LFOs.
Effects: Distortion, Comb Filter, EQ, Reverb, Phaser/Flanger/Chorus/Quad Chorus/Ensemble/Rotary Speaker, Delay and Pan.
42-band vocoder with sibilance modes and spectrum analyzer.
Two balanced audio inputs, routable to filter, effects, and vocoder.

Eight assignable outputs.
1024 Programs in eight banks.
512 multitimbral Performances in four banks.
Built-in arpeggiator.
All knobs and switches transmit MIDI Controllers and NRPNs.
Flash-upgradable operating system via MIDI.
Built-in power supply.
MIDI In, Out, Thru.
Optional 12- and 24-voice expander cards.
Optional S/PDIF/ADAT digital I/O card."

I remember when these came out. Comparisons were being made on the first virtual analogs and the classics. The Supernovas were commonly compared to the Jupiter-8 in character.

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