Via Yoozer on this VSE thread:
"It's got an USB connection on the back. From what I understood, it should be able to act as a simple MIDI controller using that, but the main reason is of course to hook it up to transfer the waveforms.
Someone at the VintageSynth.org forums tried to make an argument on how every VA wasn't modeled but used samples (yeah - long story). I can happily say that this is not the case . The guy I spoke with was one of the engineers (as opposed to someone who does just demos. He was surprised (and delighted) that someone asked this question - as the Wave handles samples not like you'd think. One of the advantages is that you can play whatever you sample over the full range, without artifacts - and this is because the sample file is resynthesized for use in the machine. Everything's generated, no lookup tables!
The memory's about 2 megabytes, non-volatile. Maximum number of waveforms is limited by the display; 99 choices. I said he could expand it by using hexadecimal . The machine's quite ready for release, albeit that there was only one at the stand. In terms of sound it's between the Nord 2 and the 3. On-board effects include EQ, tube simulation, and delay and reverb.
There's no endless rotaries, because several users wanted to know "when they reached the bottom" so to say - that the physical knob would tell them when to stop - so they chose for regular pots."