MATRIXSYNTH

Roland JP-9000

Another via the anonymous reader who brought us the JX-3P Performer.

GFORCE VSM Virtual String Machine

YouTube via sonicstate. This is actually an old one. I thought I put it up already, but apparently not.
"Another cracker from GForce (M-Tron, Odditty, impOSCar etc) sounds lovely and there's a funny story too"

MODULAR fun with the M563

YouTube via moonmodular. Transition at 1:13.
"A M560 sequencer drives a M563 - sounds from 6 voices."

SCI Prophet VS + Roland Juno-60 + Minimoog VCF by RetroSound

YouTube via retrosound72

"vintage synth demo track by RetroSound

bassline: Roland Juno-60 through Minimoog VCF with LFO modulation and arpeggiator triggered by the TR-707
PPG like sound, porta lead and intro fx sound: SCI Prophet VS
drums: Roland TR-707

no overdubbing, no playback, no sequencer software used"

Modded TR 505 TR 606 SH 101 PSS 480 Kool Shades RY 1286

YouTube via inducejack
"Heres an analog session with a modded 505 for kick drums and a 606 triggering a modded kool shades toy for claps along also accomponnied with a sh 101 going through a DOD 585 Analog delay pedal just some random noise... I hope you like but if you dont thats ok too."

QUASAR

via Maurizio:
"here is a link to a DIY Synth built by my friend Licio, the Quasar: link"

Check out the link for more images. The description is in Italian. Here's a version in Googlish:
" From a technical point of view, and 'was built by a passionate music
electronic, moderate expert on these machines, recalls very sonicamente the minimoog, from whom and 'recovery was also a little' aesthetics, low profound and leads squillanti, but the sounds' almost 'endless as Sint all of this kind, and 'a very simple to manage, with its controls and 56 'suitable for different musical styles, but the presence of 5 lfo well, suggests that is more 'suitable for electronic music, more' has a section polyphonic editable and totally independent from 3 vco mono, but mixabile the same, a little 'as in DS2 (this is also used to pay these oscillators 3) The result and 'a good sint from the most 'varied sonorities' very stable (each has vco the differential input set), of course being built all handcrafted and devoid of digital circuits, lends itself to be very amended pleasure, and then improved. Sint polyphonic / mono 3 oscillators, prototype fully realized with analog components, 3 vco termostab. saw sin tri quad puls, variable octave system, 2 vcf 24db out lp, bp, hp, cutoff reson., 5 lfo tri sin quad shaper, 2 adsr, 2 vca, midi in, vcf in, cv out, out bf, poly , mix, headphones. Polyphony total g and vcf, autogate, noise, glide, sync 1 +2, keyboard 4 eighth, mobile solid wood lacquered. MP3 facts very quickly and only as a guideline, available. leave email"

Roland JX-3P Performer

This one sent in via an anonymous reader with zero description. If you know more, feel free to comment.

Customsynth.co.uk did this one a while back.

E-Mu SP12 Turbo

images via this auction

* incl. 'turbo' expansion (double sample memory)
* latest OS v2.6 (incl. Midi Sample Dump)
* new internal battery (buffers the sample memory)
* incl. 5,25" floppy disk drive with connection cable
* 6 extra single outputs (unfiltered)
* same sampler and sequencer engine as the sp1200 !!!
(difference is only memory and internal disk drive)

ELKA EM-44

images via this auction

"Rare vitange sound module from italy. Key-less version of Elka EK-44. It is a digital synthesizer that employs frequency modulation (FM) synthesis just like the Yamaha DX-7.

* 4 operators frequency modulation (FM) synthesis
* Polyphony : 9 voices
* Multitimbral : 8 voices.
* Générators : 2 DCG 4 op. stackables (2 sound per DCG).
* Enveloppes : one per op.,one global (ADSR + sustain).
* Filter : 1.
* Sounds : 64 presets + 32 prog.
* Combis : 16.
* LCD (32 car.).
* Stéréo outpouts + headphones
* MIDI in/out/thru
* pedal input
* Externe: RAM or Rom cartridge
* Dimensions : 37,5 x 31 x 10 cm (Lxlxp)
* Weight: 6 kilos
* production year : 1986"