The Wavestation EX is a revision to the original Wavestation that doubles its wave ROM and adds 119 additional waveforms and more digital effects.
Its wave sequencing capabilities are 96 wave sequences and 1500 wave sequence steps.
Year Released: 1991
Keyboard: 61 keys with velocity and aftertouch
Polyphony: 32 notes
Multitimbral: 16 parts
User Patches: 105
User Performances: 150
ROM: 4MB (484 waveforms)
Effects: 55 digital effects, up to 6 at once.
Screen: 240x64 pixels
Korg Wavestation EX 1990 ($401.35)
Korg Wavestation EX ($625)