Hi!
Not a pin exchangeable part but should be functional compatible (also +/- 5V range, 128 steps
and similar interface) and non volatile as an addon:
http://www.intersil.com/products/deviceinfo.asp?pn=ISL95710unit price 2.12$ (webpage price for calculations)
other pots from Intersil:
http://www.intersil.com/product_tree/Digital_Potentiometers_%28DCPs%29.aspAs little adapter PCB would be possible so that you don't have to make a complete redesign.
Ciao
Peter
http://come.to/synprohttp://go.to/datadial (Synth Addon)
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