I’d say tube preamp and SS power amp but since you already have the Pass preamp I think the 250 would still be a good idea. It will be a lot easier to match the Pass to whatever speakers you decide to get in the future. You can get great sound from a tube power amp but speaker selection will be much more critical.
The Pass power amp will mate better with a larger variety of speakers and it half sounds like the best of tubes right out of the gate.
The Pass power amp will mate better with a larger variety of speakers and it half sounds like the best of tubes right out of the gate.