Va76 is no different from VA7 but that va-76 has more drum tones per each drum set for example , lets say VA-7 has 6 octaves of drumsamples on a drumset, but in va-76 the same drumset will have about 8 octaves of drumsamples.
Ok, and VA-7 has Uppers 1+2 and Lowers 1+2, how would you turn them on? There are no knobs for them, it doesn`t even have knobs PAD1, PAD2, MBass, MDrums.