Tonewheeldude,

For the first generation AUDYA, yes, you are correct (those with the Sound board PB414 (not PB414A nor PB414B)!

For the later units (including AUDYA 4 and 5), these are faster.

Hope that helped.

Thanks,

AJ
_________________________
[KETRON - USA]
Design Engineer & Product Specialist.
www.KetronAmerica.com