Has Anyone Uesed A PrimaLuna Amp With Harbeth Speaker's

Or, an Atma-Sphere. MA-1 or a Novacron.
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Any Harbeth I’ve owned sounded great with Quicksilver tube amps! 
http://quicksilveraudio.com/amplifiers/

Why not a Vinnie Rossi LIO...and upgrade it with DHT module and more down the line. 

I used SHL5+ with the PL Dialogue Premium int and separates.  I did not like it and sold the PL and went back to SS.  It did not offer a realistic representation of the music.  Nothing sounded right.  Others love Harbeths with tubes, I did not at all.

An acquaintance has Harbeth's with Quicksilver tube amps and sounded really nice.  There is a pair of Quicksilver mono blocks for sale on audiogon now that I think were similar to the ones he had:  https://www.audiogon.com/listings/lis8eh0e-quicksilver-v-4-balanced-monoblocks-tube

I usually love Primaluna with most gear, but might agree that the HP Dialogue would be a better option than the Dialogue.  Doubling the tubes and power would seem a bit safer, especially if you every changed speakers down the road.  Just food for thought.