DMX / DX Comparison

What's the difference between the Oberheim DMX and the Oberheim DX?

Feature	DMX	DX
Number of voices	8	6
Removable voice cards	Yes	No
Display	16 character alphanumeric	4 digit numeric
Tuning	Internal thumbwheel adjustment	Back panel knobs
Number of sequences	200*	100
Number of songs	50	50
Memory	24K*	8K
Battery backup	Rechargable NiCd battery	Long life Lithium battery
Factory MIDI	Later models only	DXa only
Lighted function buttons	No	Yes
Standard end panels	Solid walnut	Plastic imitation wood
Available hardware configurations	Basic Model Expanded Memory Factory MIDI	Basic Model Sync-to-tape mod Factory MIDI (DXa) Stretch (adds four more voices)