Roland JD-800 61-Key Programmable Synthesizer SN ZC78110

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1978 Vintage Mattel Magical Musical Thing Toy Synth

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Crumar Bit One

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"The Bit One is a 6-voice polyphonic programmable touch-sensitive synthesizer.

Wide range on sounds.

Sonically brass in detuned and stereo split sounds like Oberheim brass.

Can be controlled from external MIDI sequencer but local

keyboard will be disconnected while MIDI is connected.

'The general characteristics of the BIT ONE are:

2 DCO, 6 VCF, 6VCA, 2 Envelope Generators and 2 LFO for each voice
63 user programmable presets
Key velocity sensitive keyboard
Double and Split Modes in order to have two different sounds simultaneously or merge two sounds
Instant Editing for all parameter's values [not true: the parameters have to be entered in via keypad]
Panel Lay-out designed to have simple and fast editing in live performance
Complete MIDI interface with other synthesizer, sequencer, rhythm unit and computer.
Tape interface in order to record and load from tape all sound memory data
Pitch bend and Modulation Wheels.'

Original Manual is in English and included."

Roland Synth Plus-60 Brochure

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Serge Modular Braken

video by zack dagoba

"A Serge Self-Gen"

Testing upcoming Novation LaunchPad Pro mk3 support in Groove Rider GR-16

video by jimpavloff

"I'm currently working on implementing support for Novation LaunchPad Pro mk3 inside Groove Rider GR-16. This is a demo of how will it work. Wait for the next GR-16 update!!!"

SWTPC PSYCH TONE - Super Rare 70's Programmable Synthesizer. Explored and Re-imagined

video by LOOK MUM NO COMPUTER

"Today i take a look at a really rare old piece of #DIY​ #Synthesizer​ #history​
Audio samples, builders livestreams and song available from this video here:- https://www.patreon.com/lookmumnocomp...​

I made the livestream running through the build public here :- https://www.patreon.com/posts/run-thr...​
Popular Electronics 1971 :- https://worldradiohistory.com/Archive...​
Shoutout to Fredrik for finding an online version of the Psych tone :-
http://www.till.com/articles/psychtone/​"

See the SWTPC label below for additional posts.

Update:

SWTPC PSYCH TONE - Displaying a rare 70's programmable synthesiser

video by THE MUSEUM OF EVERYTHING ELSE

"A Little video on how I am displaying the SWTPC psych tone, a rare piece of 70's synthesiser history!"

Elektron Digitakt & Model:Cycles

video by 3rdStoreyChemist

Prophet 5 and Hydrasynth

video by Cray

Korg opsix - Different waveforms

video by Korg

"Unlike the majority of other FM synths, opsix gives you 21 different waveform types (including SINE) to use within each operator as a carrier or modulator, creating an unimaginable number of possible combinations. Quick access is provided via [SHIFT] and the operator mixer for instant editing."