MATRIXSYNTH

Synthi R demo 2

YouTube via raglani | February 06, 2011 |

"EMS Synthi A / VCS3 clone in Eurorack format."

computer chronicles - midimusic 1986 - 1992

Computer Chronicles midi music 01

"TheCyberbedouin | January 24, 2011 | 0 likes, 0 dislikes

MIDI Music
Computers and music, MIDI machines and interfaces,
and music composition software.Guests: Chris French,
Music Software; Bob Moore,
Hybrid Arts; David Schwartz,
Compusonics; Chris Potter,
Mimetics; Curtis Sasaki,
Apple; Gary Kildall,
Digital Research; Gary Leuenberger,
Midi RevolutionProducts/Demos: Casio SK-1 Synthesizer,
Atari ST, Activision's Music Studio, ADAP Sampler, DSP-1000,
Apple II GS, Ensoniq Sound Chip, Soundscape,
Commodore AmigaEZ Track, Kidnotes

Episode year: 1986"

Computer Chronicles midi music 02

Sequential Circuits Prophet 5 3.3

via this auction

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YAMAHA SY 1

via this auction

# 1 VCO, 1LFO
# Monaural
# High and Low pass filter with resonance
# Pulse width adjustable
# Simple envelope
# 28 presets
# Effects: Wah Wah, Portameno, Attack Bend, Vibrato
# Touch Control

Roland MC-202 with Original Box

via this auction

"boxed with original styrofoam packing."

Quad Nand Mood Cube Oscillator synth

via this auction

video at the auction and previously posted here.

"An ambient light source and square-wave nosie maker.

The synth is based around a 4093 quad nand gate CMOS chip.
Capable of hideously beautiful beepy noise.
The 4 cascaded oscillators interact with each other to create a relentless range of synth tones.
The power starve dial adds further modulation and manipulation of the oscillations.

The noise-making circuit is built into a Mood Cube I got from RED5.
The Mood Cube lights up using 3 LEDs. I hacked the circuit to affect the rate of the light cycle.
I also added a voltage starve for this circuit too. The reason being this; when the LEDs are on full power,
they drain power from the 4093. This in turn adds further lovely modulation to the tones.

The controls are as follows:
* 4 dials on top to control the rate and tone of the oscillations.
* 1 dial on the left side for the 4093 power starve.
* 2 dials on the right side. 1 for LED rate and 1 for LED intensity.
* 2 switches on the front. 1 momentary push button and 1 toggle switch.
* 1 output jack located on the back side.
* 1 on/off switch and 9v battery holder on the underside of the cube.

The cube fits well into the palm and can be enjoyed by anyone with a passion for harsh, grinding noise terrorism and pretty colours.
It's powered by a single 9v battery which is housed in the bottom of the cube.
There's a 6.35mm jack socket for hooking up to your amp/mixer/effects.
There's no internal speaker!"

Korg Poly-Ensemble

via this auction

"Although it has several voices, in my opinion, the two best are "String 2" and "Organ 1" with the phase shifter fully engaged. In this mode, the effect achieved with the pitch shift dial is dramatic. Without the phase, String 1 sounds thinner to me, more like an ARP Solina."