1980's Casio CZ-101 Digital Synth

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via this auction

"Looks can be deceiving, but the Casio CZ-101 is quite the power house. This CZ is in great working condition, average wear but fully functional, AC power supply included.

-Polyphony - 8 note -Oscillators - Digital Phase Distortion Synthesis (sine, saw, square, pulse, resonance, double-sine, saw-pulse) #Instruments - 4 part multitimbral -DCW - 8-stage envelope generators with level and rate controls and Key Follow (Adjusts Phase Angle) -DCA - 8-stage envelope generators with level and rate controls and Key Follow (Adjusts Volume) -Keyboard - 49 note mini keyboard (no Velocity or Aftertouch) -Memory - 16 preset, 16 user, 16 more via external cartridge -Control - MIDI -Date Produced - 1985 - 88"

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Korg 770 w/ Custom Oak Side Panels SN 770519

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via this auction

"KORG 770 in excellent shape with custom massive oak side pannels (same dimensions as original pannels). All the silver rings are here. Some very minor scuffs here and there (see pics). Can throw the old side pannels if you want."

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Alesis A6 Andromeda 61-Key Polyphonic Analog Synthesizer

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Roland JX-8P Polyphonic Synthesizer SN 527571

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Yamaha TX816 FM Synthesizer 128 Voice SN 3202

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via this auction

"Each TF1 module consists of a 16-voice, 6-operator digital FM synth engine. So a complete TX816 with all eight TF1 modules would offer up to 128 voices and 48 operators! Each TF1 also features an indepednent audio out (XLR) and MIDI I/O for a total of eight audio outputs and MIDI I/O's. It also has one global MIDI in/out port with 8-part multitimbrality, but no common stereo or mix output."

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Vermona DRM 1 MKIII SN 06350

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THE MUSICAL PENCIL SYNTHESIZER a perfect project for new makers

jwotto

"This synthesizer pencil is the perfect project for a beginning maker wanting to make a musical artsy project. With this musical instrument you can draw and make music at the same time.

DRAWDIO:https://www.jwotto.com/product-page/d..."

See the drawdio label below for additional posts.

The Magnetone - Everyday Electronics May 76

THE MUSEUM OF EVERYTHING ELSE

"In this vid we take a look last may 76 issue of everyday electronics."

GRP R-24 + Korg VOLCA FM // HI END STEP SEQUENCER MEETS BARGAIN FM BOX

LESINDES

"First run of the 3 row SETP SEQUENCER monster. GRP R-24. Real time programming here. Connected via MIDI to KORG VOLCA FM synth.
SEE FOR a detailled list of participating gear in the end of the video in the credits!"

Inside VINTAGE SOVIET ERA ESTRADIN 230 - FIXING AN OSCILLATOR AND OTHER REPAIRS

Mindburner

"In this video I repair a failed Oscillator on an Soviet era Estradin 230 monosynth.
Built in or around 1983 at Elektroizmeritel planet of Zhitomir, this synth is roughly a Minimoog clone, although in reality it has a different character, being more raw and rough.

3 Oscillators
Has A440
Filter and Envelop controls

KT140UD7 was the faulty opamp, replaced with a 741"

Update:

VINTAGE SOVIET ERA ESTRADIN 230 - FITTING A MIDI KIT
video by Mindburner

"In this video I fit a MIDI kit to a recently fixed Estradin 230 synth.
See the repair video here:"