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squeak is right to a certain extent. Sales numbers for Motif7's and FantomX7's are several orders of magnitude higher than arrangers, yet you rarely hear a single complaint on the WS forums about the weight of these things. Does this mean the are all body-builders, or none of them gig regularly? I really don't think so I think they have all just decided that there are FAR more important things to worry about, and are prepared to accept that any significant weight loss would be accompanied by a significant build quality and key-feel loss. And, Lo and behold! They don't seem to have a problem with it...!

Why are arranger players SO willing to make this compromise, when virtually no other musicians ARE?
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Right on Diki! That's what confuses me. You have the same age of players in pro arrangers as you do the workstations, but the issue of weight always seems to come up with the arrangers. Everything the Tyros does at only 32 pounds is impressive. When you look at what all it does do.., I think the weight of this keyboard isn't bad at all when you look at the keyboard as a whole.