Monthly Archives: July 2013

Kawai R100 Soundswitcher board by Drumware Inc.

Here are some photos of the ROM switcher board in my Kawai R-100 Drum machine. The expansion board is dated 1987. My unit contains three 4Mbit mask ROMs: MN234000KAA, MN234000KAB, MN234000KAC I think these ROMs are the original R100 and … Continue reading

Posted in Kawai R100 | Tagged | 3 Comments

Yamaha DX7 SuperMAX is in!

Great expansion and feature upgrade for the beloved DX7.

Posted in Yamaha DX7 | Tagged , , | 5 Comments