Wilson Sasha W/P amplifier pairing

If Pass is sounding bright, you may want to consider selling the Wilsons. I am a big Harbeth fan as you are, and I’m not sure Wilson and Harbeth lovers can get along. I have heard them sound good with Lamm, but that’s a lot of money to throw at a speaker that isn’t clicking with your tastes. Also, when some people say “bright”, they actually mean “harsh”, which to me means a honky, annoying midrange, which can be difficult to get rid of. If you’ve got the money, time and inclination go ahead, but it may take a lot of all three.

@plaw which Rowland model do you have?
@chayro that’s what I’m afraid of. I’m going to try better amps and see where I end up. In fairness, I haven’t given the Sasha’s the amps they deserve yet. Front end is also pretty entry level. If that doesn’t work I’ll be trialing some Harbeth M40’s. 
@yoyoyaya I’d love to try Pass .8 series but I think I’m ready for tubes. The PrimaLuna EVO 400 is a great preamp. Stereophile and TAS reviewers both asked to keep the review sample as their reference preamp. Take a look at the internals. 

@op. I'm familiar with the preamp. As regards being ready for tubes, the Sasha W/P is a very demanding in terms of its' modulus of impedance.  Do try to audition  a quality class A transistor amplifier and a comparably priced tube amp with your loudspeakers before making a decision.

@audio_bidder I have the Rowland Model 7's - but I am looking for the 625s2 if I can find one used.  I spoke with someone who sold one and he went with the new Rowland 725 Monos which he said were slightly better than the 625s2.  Maybe you have a dealer around that will let you take one home and hook one up.  Nothing like them that I have heard.  You should be able to find some used older Rowlands pretty inexpensively - you will have a pretty sweet system with the Sasha 1's  I think the thing I heard most was a dynamic slam and an intricate soundstage - I know it does not seem that these things can go together but they did.

If Pass is sounding bright, you may want to consider selling the Wilsons

That isn't the speaker's fault ... 🤣

Seriously though, Pass is one of the most speaker dependent amps I know of, and that's the best way I know of not to derail this conversation.