Sound Canvas VA is my default synth but I seldom use it. To my ears the sounds are not identical to those on the TTS-1.
I can't comment on the VA, but TTS-1 vs a real Sound Canvas also sounds quite different. The programming of the samples is key - for example, I have this:
![[Linked Image - Only viewable when logged in]](https://www.pgmusic.com/forums/ubbthreads.php?ubb=download&Number=28594&filename=IMG_1658.jpg)
Reportedly, the sounds in this were created by recording the output of an actual Sound Canvas, and indeed side-by-side some of the sounds are
very close, but many sounds are way off.