Kurzweil tells us that the KORE 64 ROM option represents a complete expansion and reimagining of the PC3 and PC3K's sonic potential. They say that, pushing the limits of V.A.S.T. synthesis for both realistic and experimental electronic sounds, KORE 64™ adds over 300 new programs, including stunning new Synths, Electric Guitars, Horns, Drums and Percussion. With KORE 64™ installed, the PC3/K built-in program library now totals over 1400 presets KORE 64™ ROM is user installable. Here's the details directly from Kurzweil:
Pricing and Availability:
More From: KURZWEIL
And how the Ladder filter sound was made in error...