MATRIXSYNTH

intage Yamaha KX5 Keytar Synth Keyboard

via this auction

# Make/Model: Yamaha KX5 Keytar
# Serial #:1129
# Location of Manufacture: Japan
# Number of Keys: 37

via this auction

"FORMANTA P-432 was made in Soviet Union (Russia) by well-known Polivoks/Formanta plant in Kachkanar city. This instrument is analog synthesizer with preset patches and midi. Synth has 37 patches in memory (electronic piano, strings, bass, organ etc.), vibrato and chorus effects. Also there is joystick for pitch/modulation control. It’s a great instrument for any music or collection. my synth is like new, mint condition. Works like it should 100%. Instrument has original configuration: with standard midi in/out/thru, ¼ Jack audio out, 220V power."

video here

Update via soundform in the comments: "Holly crap! It's not an "analogue" synth - it's a fully digital soviet bullshit. Very heavy and sounds like piece of shit. 495$ ??? It costs 30$ max here in Ukraine."

According to ruskeys.net it is indeed digital. You'll find additional info there. Be sure to see the video link above for a bit of what it sounds like.

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EUPHORIE / Rehearsals / 02.10

EUPHORIE / Rehearsals / 02.10 from 1024 on Vimeo.

"EUPHORIE, a live performance.
2010 / La Loge / PARIS

Features our custom made Neon-Guitars,
during rehearsals.
Shot with a canon 5D

Performed by François Wunschel and Fernando Favier.
Produced by 1024 Architecture and ARCADI

More info on 1024architecture.net
or our blog 1024d.wordpress.com"

Fedja & Moog Voyager

The Moog Voyager is an RME above off camera (see here).

[diy] NOISE PATTERN DEVICE

via this auction

"The Noice Pattern Device features 4 squarewave oscillators. The pitch can be adjusted with potentiometers. It can be powered by a 9v power adapter (not included) or a battery."

also see http://diysynth.blogsport.de/

Noise pattern device by feedtheoctopus666

JH. Fixed Filter Bank

full details here
"The old Moog® Modular System had an option of two different Fixed Filter Bank modules, one with 10 bands, and another one with 14 bands. ("Moog" is a registered Trademark of Moog Mucic (http://www.moogmusic.com).

Both are very unique-sounding, mostly because of the deep notches they produce between adjacent filter bands. Some people also claim it's becuase they used real inductors - wire-wound components that get nonlinear at higher signal levels. I'm not sure if the latter really is such an important factor, because thes efilter banks were designed in a way that in each filter band the signal first passes thru a resonant LC-filter at a certain level, and then passes a second LC-filter at a lower level. So my conclusion would be that the second LC-stage filters out whatever distortion products may or may not be created in the first stage. But then again, a tiny amount of harmonocs may survive, and others may have better ears than I and might hear a difference.

Anyway: I decided to make a PCB that allows both options: real inductors, or electronic inductors, so you can choose for yourself."