MATRIXSYNTH

via this auction

"The CS-50 looks like a scaled-down version of the monstrous CS-80, and it is! This will benefit those who crave the famous classic Yamaha synth sound without the struggle of lugging around the 215 pound CS-80! The CS-50 weighs in at about 100 pounds. The CS-50 is 4-voice polyphonic and has a 49-note standard keyboard. It does feature pressure (aftertouch) sensitivity route-able to several destinations.

The CS-50's sound is unmistakably related to other classic CS-series synthesizers. There are 13 preset sounds of various instruments and synth sounds but, unfortunately, no on-board memory storage for your edited presets. At its low street price, the CS-50 makes a great way to get your hands on these classic sounds without going broke! It's housed in a built-in travel-case like the other CS-synths."

Roland Jupiter 8 Synthesizer SN 433308

via this auction

"The history of the Jupiter 8 in regarding the different versions is. Starting at serial #171700 the D/A converter on the Interface board was changed from 12-bit to 14-bit. This change was made mainly to improve tuning stability. The problem with the 12-bit digital-to-analog converter on the original JP-8 is that it could cause the autotune to be inaccurate in some instances. Starting at serial #242750 the LEDs of the display were changed to brighter ones. Starting at serial #282880 the JP-8 came standard with a DCB port. These newer JP-8's may be referred to as JP-8A's. DCB, or Digital Control Bus, was Roland's pre-MIDI interface that allowed the JP-8 to talk to other DCB enabled hardware, such as the Roland MC4 and MC8 microcomposers."

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Sequential Circuits Prophet 10 SN 0303

via this auction

"This is one of the greatest analog synthesizers ever made, 10 voices, 20 oscillators, insanely huge phat sound! It's like having two Prophet 5's in one, but with a few added features like a built in sequencer, a 3 band EQ and keyboard modes like double and alternate. This is the later version with midi installed! Loaded with the original patches..."

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CyberStep presents KDJ-ONE at NAMM 2012

YouTube Uploaded by CosmicBreakCyberStep on Jan 19, 2012

"CyberStep presents their standalone portable audio workstation, KDJ-ONE at NAMM 2012 in Anaheim, California."

This device was a bit smaller than I expected. Note the little hex buttons. Reminded me of Simmons drum pads.

Rare GRS VCO.3 For Sale in Bologna

via Great Synthesizers where you'll find additional pics.

"Only 30 pieces of the VCO.3 were built before a flood destroyed all the instrument’s documents in 1973. The Italian company GRS with headquarter in Florence is one of the great unknowns in synthesizer history... 2 weeks ago a restored VCO.3 appeared in a shop in Bologna."

Also see:
GRS VCO.3 and H.R. Giger
Synthorama - Italian, French and Russian Room

siren.....its a bit LOUD btw

YouTube Uploaded by cirtcele on Jan 24, 2012

"A module containing 6 oscillators in two banks of three. The oscillators can be gate controlled to change frequency and each bank has a sync/enable input. Naturally the fun thing to do is to get all the oscillators modulating and syncing each other. This vid uses two oscillators, one output to a VCF, the other to a phaser."

"Hippity Hop" Roland Jupiter 4 + Boss DR3

Uploaded by synthartist69 on Jan 25, 2012

258v waveforms

YouTube Uploaded by dkimcg on Jan 25, 2012

"I think my 258v needs a little trim adjustments or resister changes, the lower section doesn't quite get to a sine, and both don't quite get to a saw and square. Not a big deal, I like the sounds out of it as is..."