A-90 is an 88-note PA-4 hammer-action keyboard with aftertouch. It can be turned into the powerful digital piano/synth with the VE-RD1 expansion. The instrument gets a 64-voice polyphony, 128 tones, onboard effects with the VE-RD1. True stereo piano...
A-70 is a weighted velocity sensitive 76-note MIDI master control keyboard. The same MIDI control features are represented in A-90. 64 MIDI channels are controlled with four individual MIDI outs. A-70 achieves its possible functional flexibility with the...