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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 aMIDIsequencer 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 - Flash based

Newer retrofits are designed using FLASH ROM, so they can be updated without opening the instrument. Currently the OBXa is our only one in this catagory. The update is supplied as a standard MIDI file and can be played by any general purpose MIDI player.

Depending on your browser, you might have to right click in the Product column and choose save to file. (as opposed to opening it in media player or quicktime and having it sent to your speakers, accomplishing nothing)

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

The two OBXa versions are functionally the same. We sometimes supply a processor labeled Z80 RAM80, and it requires slightly modified code for the cassette input to work. Only download the version that matches your processor. You'll know you got the wrong one if the cassette function stops working.

Product:

Updated:

What's new

 

 

 

Oberheim OBXa
Version 1.2 (Z80 RAM80)

August 3,
2014

What's new

Oberheim OBXa
Version 1.2

July 14,
2014

What's new




MIDI Retrofits - Eprom based
If you have access to an EPROM programmer, you may update aMIDIkit 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 newROM.

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

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 4.11
  

May 12,
2014 

What's new  

2764

Oberheim OB8
Version C2

July 7,
1997

What's new

27256