George, just to clarify........ what is the maximum sample RAM on the PA800, and how long does it take to load 64MB from the internal memory (is this solid-state or an internal HD?) into the active RAM. Is this true USB 2 speed, or just more efficient USB1 speeds? Theoretically, USB 1 ought to get close to 1MB/sec, and USB 2 is at least 100X faster.
My venerable K2500 can get about 1MB/sec from it's internal SCSI disk, so about 1 min for 64MB. PLEASE tell me that things have got better in the last 10 years! Sampling in an arranger is such a good idea, but only if tied to a fast load-up time, given the constant need to change setups and sounds at the drop of a hat.......
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An arranger is just a tool. What matters is what you build with it..!