Hi John,
Here's what I found out about your bass from the file:
top: Maple
back: Maple
body: Mahogany
neck: Maple and Purpleheart
scale: 30.75" short
fingerboard: Ebony
inlays: Mother of pearl
peghead veneers: Walnut
controls: volume x2, filter x2, Q-switch x2, stereo 1/4" output, stereo 5-pin output
originally made for: Rokkomann, Kobe Japan
birthday: May 31, 1979