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Expressionist
You don't need any special hardware to upgrade the firmware because it's in Flash ROM! All you need to do is download this file, and "play" it into the Expressionist with a MIDI sequencer or utility such as MIDIOX. Remember to enable SYSEX on the Expressionist, or nothing will happen. 


Product: Expressionist Updated: What's New:
Version 1.11 .SYX file February 15, 1998
What's new
Version 1.11 .MID file
Version 1.13 .SYX file June 15, 2004 What's new
Version 1.13 .MID file



Need a MIDI file player?

Check out these sites for Windows, DOS, MAC, Amiga, and others.

Harmony Central
SYX File Programs



Knobby/Slidemate Editor

Product: Updated: What's new:
Platform
KnobbyEd November 9, 2002 What's new PC

Product: Updated: What's new:
Platform
MacKnobbyEd March 16, 2002 Beta 4 Mac



You can also download the Knobby/Slidemate Configuration Files from here, or the Knobby/Slidemate Library Files from here.




MIDI Retrofits
If you have access to an EPROM programmer, you may update a MIDI kit with the code on this page. These files are in ZIP format. After you download a file, unzip it and you will have an Intel hex file, suitable for programming a new ROM.

If you do not have this capability, you may send a check for $30 US, and we will mail you a preprogramed ROM.

Click on "What's new" to find out the changes from previous versions.

Product: Updated: What's new:
EPROM Version:
Roland JP8
Version 5.1
October 17,
1994 
What's new 27128
Moog Source
Version 4.09
  
June 23,
2007 
What's new   2532
Oberheim OB8
Version C2
July 7,
1997

What's new 27256