RE: Ross Cardiac
33" ata, 7" brace & 320 IBO- YAWN.
Sounds like a Switchback, Patriot, Trykon, Illusion to me.
The difference will be how reflexed the riser will be to pull off a 320 IBO.
A great bow I'm sure, but the speaks read- been there & done that (& still doing it [8D]).