MATRIXSYNTH

EKO ComputeRhythm drum-machine from 1972 (demo 1)

YouTube via kovalmoog. via audible.

"This is a pretty rare drum machine manufactured by EKO in 1972 in Recanati, Italy. Model ComputeRhythm, maybe one of 15-20 ever made (curiously SN #0113).
This particular one is owned by a musician living in Madrid, Luis De La Cruz, and It was repaired and slightly modified by me on the past months (www.synthoma.net).
Before giving back to its owner I have the chance to made these demonstration videos to show its features and incredible programing methods.
Due to the price it was mainly used by famous electronic musicians like Jean-Michel Jarre and Manuel Göttsching (founder member of Ashra Tempel). J-M Jarre has used it extensively on his first albums: "Oxygene" and "Equinoxe".
It can be seen on his Equinoxe 5 videoclip from 1978 (at 0:36):
http://www.youtube.com/watch?v=AO5w30...

Please, enjoy this first demo, and sorry about the poor quality video. It was made by a webcam. However, the audio was taken directly from the mixer."

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Moldover's Album - Circuit Board Instrument

YouTube via moldover. theremin like cd case. via jared via engadget
"Moldover's new CD, over 3 years in the making, not only delivers gorgeously diverse music with meaning and musical mastery, it completely redefines what it means to "play an album"... Moldover's CD packaging itself IS a new musical instrument! The CD is mounted on a custom designed circuit board, intricately patterned and powering a "light-Theremin". Yes! You play the artwork and it makes sound! Only the musical supervillain genius of Moldover could develop something so stunningly innovative."

1978 Sequential Circuits Belt Buckle

via Retro Synth Ads where you'll find more shots.

Inside a DSI Tetra

Update: image minus logo added

Another image sent in via Nova Musik

follow-up to this post where you'll find some comments.

ROLAND JUPITER-4 Vintage Analog Synth

via this auction

inside a Roland Jupiter-4
Note the Inspection Certificate in the bottom shot.

subatomic x0xb0x mod guide

click here for the full list of mods.

via this auction
"new assembled x0xb0x with mod (add extra functions).
# Bass boost mod
# Env Mod Amount
# Increased Filter Low End
# Resonance Boost
# Resonance Accent
# Variable VCA Decay
# Filter Modulation (VCO)
# Filter Modulation (VCA)
# Filter Overdrive (DevilfishLike)