MATRIXSYNTH: New Yamaha DX7 4x Expansion Board - 128 Patch Memories, Velocity Fix, and More


Wednesday, June 08, 2016

New Yamaha DX7 4x Expansion Board - 128 Patch Memories, Velocity Fix, and More

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via this auction

"Another great revived expansion board for the original DX7. Simpler and easier to use than E! or SuperMAX+. Here is a brief explanation of the expansion:

Memory expansion to 128 patches (Yamaha calls them "voices") in 4 banks of 32 patches.
All patches directly accessible using standard MIDI Program Change (both in and out).
Velocity offset setting for fixing the DX7 max velocity issue.
Selectable MIDI IN and OUT channels (they can be different).
Local On/Off lets you control if the local keyboard controls the built-in FM sound engine or not.
Keyboard Split with adjustable split point.
Compatible with standard RAM and ROM cartridges
SOLDERING IS REQUIRED. Three wires -- get a tech to do it.

Installation Manual

User Manual

See the website for more."

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