What makes a Double bass good for Jazz or Classical?

[Pongsak Sooksawak]

Originally Posted by Arnold Schnitzer

For example, if a client told me he/she wanted a strong upper register and moderate bottom, I would increase the arch height and keep the top a bit thicker. The opposite for a bottomy, thumpy sound...

That why my bass has a very strong upper and moderate bottom. Also, My baby is so heavy.

PS. I don't know the original of my bass.