Well, these have a tighter pin-pitch than those.. but if you can do the LED button hack, you can do this. I would wonder if most folks here would want to take on an SOIC-8 which is what the present layout uses...

But yea, I'll get a schematic and layout up there soon enough...

-Ben
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Empeg Mk2 in fabulous green! Green Face, Green BackLit Buttons... GREEN...