Originally Posted By: Dnj
The 9k was my first Yamaha arranger . . . . the drums haven't changed at all up to & thru the T4.

Sorry Donny, but that is simply flat out WRONG!
Having owned a Psr2000, Tyros 1, Tyros 2, and now Tyros 4,
I have heard drum sound improvement with each subsequent upgrade,
with the most significant upgrade in sound heard with the new "live drums"
implemented on Tyros 4. clap