Elka EK 22

via this auction

"The ELKA EK22 was released in 1986 as one of the last synthesizer models from the ELKA synthesizer factory, and for that also one of the last Italian analogs, ending a great legacy that included the mighty Elka Synthex. What we have here is the usual 6 voice analog 2 oscillator synth with some exotic modulation, sync routings and multi stage envelope generators. Not quite an Oberheim Matrix 6 in its synth modulation capabilities but coming close and on some fronts even superior. A broad range of sounds is possible and its all there; haunting strings, eerie pads, deep monophonic portamento moog basses and leads, fine harps, metallic stuff, low-end brass etc. All with a very good character, tight and compact...a good punch but also enough warmth..Actually this synth sounds pretty darn excellent! I am pretty sure its got faster envelopes then a Matrix 6 and also sounds less gritty/grainy/plasticy. Its an often overlooked synthesizer, proberly not many were built and programming goes with the typical 80ies numerical interface. It also comes with a Rom cartridge containing an extra 89 preset sounds."

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Sequential Circuits Prophet-600

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"6 voice, 2 VCOs per voice
OSC A: Frequency, sync, sawtooth, triangle, pulse, pulse width
OSC B: Frequency, fine (tune), sawtooth, triangle, pulse, pulse width
6 VCFs (one per voice)
3 ADSRs which control the VCF and VCA for each of the 6 voices

Modulation:
1 LFO (triangle and square) with a frequency of .25 to 20 Hz. Can be applied the VCA, VCF, and pulse width.
Sequencer
realtime recording, almost 400 notes between two banks
Arpeggiator
Unison Mode
[3 options- normal(all 6 voices sound), tracking(chord) and single voice(like normal, only fewer voices)]
Glide
Poly Mode

Memory:
100 patches
2 sequencers with 400 notes total between both
In/Outs:
Mono 1/4 audio Out
Filter CV In
Footswitch input
Cassette In and Out
MIDI In and Out
Last Software Version:
Version Six_0_8

Moog Micromoog

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ARP Avatar

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"Vintage ARP Model 2223 Avatar in Excellent Condition"

Analog Synth DIY Dual VCO + MoogVCF Demo

YouTube via Redled72. "2x VCO + Moogfilter VCF"

OTODUST Music Gadgets Festival

YouTube via jetdaisuke

Korg Wavestation SR Phaser, FlangeDelay Demo #1

YouTube via hoeppc
"This is a Korg Wavestation SR playing Phaser and FlangeDelay effect routed in series.
Increase audio playback quality appending &fmt=18 after the end of the URL in your browser window. Thanks for listening!"

Space Storm - Novation X-Station 25

YouTube via beckhusen
"Ambient soundtrack made with original patches from Novation's X-Station 25. The video is not full in sync with the sound. The sound uses 4 original patches from the X-Station, mainly 'Space Storm' and 'Get me to Heaven'."

seku sequencer in progress

YouTube via lesingemonotone
"Testing out the basic components in my seku sequencer building project.
Clock and reset is driven by ht/lt trigs of the 606 and the CVed oscillator, filter and springreverb are the Paia 4700."

Jump 69 Song on RS7000 Ghost Hands

YouTube via zamisers7k.
"Which is the right hand?
Works best with extra loud systems sets that can handle mastred prime youtube codeishes that most extra loudness systems cant handle otherwise, thank you.
Seeing if Matrixsynth picks this up because it is kind of cool, and he rarely features RS7000 (the coolest groove production synth ever by Yamaha no less!)
I tell you turn it up extra extra loud and then sum! This is the RS FNshiteola!
Youtube sonic synthesizer special!
Not really but have fun anyway with your hundred grand system and youtube.
Quantum-Source.com
Zam"

Yep, I'm subbed to your vids Zam, no need to flag them with MATRIXSYNTH.