Kurzweil K2000 EPROM set upgrade version 3.87 OS Plus Chip Puller Tool

Kurzweil PRAM P/RAM for K2000s

Kurzweil K2000 "Calvin" OS Version 3.87C ROM Firmware Upgrade SET Update EPROM

KURZWEIL K2500R V.A.S.T. Variable Architecture Synthesis

Kurzweil K2000 Setup Eproms v3 Original Presets + Presets for Contemporary ROM

Kurzweil K2500X 88-Key Weighted Digital Keyboard Synthesizer Sequencer

KURZWEIL K2500R V.A.S.T. Variable Architecture Synthesis w. SCSI Drive

Kurzweil K2600X, K2600XS Keyboard Scanner Board