61-key dimensions: Length adjustable from 38" to 44" Depth from 10-1/2" to 16-1/2" Height from 3" to 5-1/2" Features - ...
76-key dimensions: Length adjustable from 46-1/2" to 51" Depth from 10-1/2" to 16-1/2" Height from 3-1/2" to...
88-key dimensions Length adjustable from 51-1/2" to 58" Depth from 10-1/2" to 21-1/2" Height from 4-1/2" to...