Modwright LS 36.5 or BAT VK-51SE

Roor- When you gonna upgrade those speakers? I'd do that before anything else.

As far as the preamp goes. I've got a Modwright SWL 9.0 and absolutely love it with my Pass Labs amp. Mine is the model below the 36.5 you are considering. I enjoy the flexibility to roll tubes and the weight and body it adds is superb.

Erndog: Yes, I want to upgrade speakers as well, and am negotiating on a pair of preowned Daedalus Ulysses.

Tvad: Pauls's response regarding the balanced option and impedance was

"No, I've never heard a line transformer that I liked, even spent lots of money trying to get some made. We use a resistor pull-down xlr. I think we've sold a Dude to a Pass owner, what's the input impedance? Dude is happy with 25K or more load. Lower, there might be some bandwidth loss, might be more of a situation on paper than in actual use, though. Thanks,Paul"

The input impedance on my XA-60.5's is 30k balanced and 15k unbalanced?

I'm not certain these will be compatible? Any thoughts, as I don't know much about impedance and proper matching?

Will I be ok if I used the balanced input on my amps connected with a resistor pull down xlr on the dude?

Thanks,

Greg