300B or 2A3?

All, I'd really appreciate your advice here. I haven't heard an amp using either of the above tubes, but I'm looking to buy one or the other. In a nutshell, what is the difference is sound between the two? I'm looking at an 8watt 2A3 or 9watt 300B, both SET. They would run a pair of Audio Note ANe/SPe HE Signatures (98db)so I think even 8 watts is probably sufficient, however I have no idea of what the two tubes sound like.
I listen to a lot of Jazz, Female vocal Pop (sorry ...) and some soft Rock. No Orchestral stuff at all. Thanks!