MATRIXSYNTH: COMMODORE SX-64 dual SIDs, 4 pot controller, Prophet-64 and Messiah

Wednesday, July 22, 2015

COMMODORE SX-64 dual SIDs, 4 pot controller, Prophet-64 and Messiah


Published on Jul 20, 2015

"This SX-64 is forsale on ebay. The music you hear was generated by this SX-64 in real time recorded directly from the stereo output." Update: Be sure to listen in stereo!  There are different things happening on each channel on this one.


via this auction

Note this is Redmartian's system. He also has a Roland TR-808 and Early OSC Minimoog Model D listed.

"VINTAGE COMPUTER ANALOGUE SYNTHESIZER COMMODORE SX-64 SID PROPHET MIDI CONTROLLER

This listing is for a modified Commodore SX-64 Executive Portable Computer
It has the following modifications:
JiffyDOS (a switch on the back allows you enable CBM DOS or JiffyDOS v6.01)
SID2SID (This allows two MOS Technology SID chips to be installed version 6581)
Ray Carlsen's reset circuit
A 3.5mm stereo (SID1 and SID2) audio jack next to the JiffyDOS switch.

What it included in this listing:
Commodore SX-64 with the modifications listed above
A prophet-64 catridge (Sequencer, TB303 clone, Drum machine and Mono synth)
A Messiah cartridge with midi (Sequencer, TB303 clone, drum machine, mono synth and wave player)
Commodore SX-64 manual
Commodore 1351 mouse
A small project box with a Sequential PROPHET nameplate and 4 pots mounted for use with Prophet-64 and Messiah
The little Prophet 4 pot controller box works in conjunction with the keyboard to let you
select various functions and then tweak sounds in real time. They can be used mainly with
the TB303 clone (bassline) and the mono synth and the drum machine.
It has one epoxy repair where the keyboard cable connects. The repair is solid."



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