I am fairly certain the QY70/100 have 16 song and 8 pattern tracks where as the QY700 has 32 song and 16 pattern tracks (48 tracks total)… as well as an extra midi port (or two, I can’t recall).
Another nicety of the QY700 is that individual pattern tracks can have different lengths of patterns and the overall pattern length can be changed anytime (on the QY70/100 you have to pick the pattern length before adding your first pattern track and then it’s not changeable. ??
Piano roll view is really nice on the QY700 as well. Also the QY700 has alot of the clicky tyoes buttons that just feel great and are now found (in a slightly different shape) on alot of Elektron gear. ? The keybed is still silicone membrane but bigger than the QY70/100.
My biggest quibble with the QY700 is that selecting instruments is a bit more of a pain as they separated into banks, but with usage you can eventually remember them fast.
["The longest journey starts with the first step."?- Lao Tzu]
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“The longest journey starts with the first step." ?- Lao Tzu