Suggestions for a tube pre and power amp

@lals I would like to know what kind of sound you’re seeking that you are not getting now. If I were to recommend the kit I own and sound good to me like most of the posts here I would indicate the Luxman L-590AxII. Sound familiar?  Power shouldn’t be an issue as the 590 is capable of 160WPC continuously into 4 ohms and 330WPC dynamically into 2 ohms with 13 amps of available current (Paul Miller lab report Hi-Fi News). Maybe a “shiny” treble?  Methinks that post was probably caused by listening through a tipped-up metal dome tweeter that are oh so fashionable these days. The Luxman has a cure for that, just turn the treble control down a notch.  And it’s free!  If you really have an itch to try a tube preamp, and I completely understand that 😉, try the Luxman CL-38uC.  It ticks all your boxes with a remote, balanced inputs (not outputs, tho) that use input transformers, the only way to properly implement balanced connections in tube gear, plus flexible, defeatable tone controls, a great phono stage and tubes that are run conservatively, unlike a number of manufacturers mentioned in this thread. And it’s priced reasonably considering today’s market.  Use your power amp inputs on your 590 for the tube preamp and, by using the “separate” button, you can choose between the external tube preamp or the internal one on your 590 from your armchair doubling your inputs and your choice of sound character.  Happy listening everyone!

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@agbrace  Wow you have got lot of preamps. Last year I was planning to get ML523 and N534 power amp somehow it didn't work out. I assume you also have many power amps, which is your favorite power amp?

@cooperdude6 You have a very important point which never came in to my mind. Luxman have preout but it is single ended. I can try it with power amp before getting the preamp. Does preamp have lot of break in time?

@jw944ts  Thank you for sharing your system details. Good to know that it is never leaving Class A in a big room with Revel Saloon.

@lals Right now I just have the Coda, an Accuphase A–75, and a Luxman 595 integrated. Speakers are Magnepan 3.7i and KEF Reference 1 Meta. Very difficult to say which amp is best, I rotate things in and out, system synergy and amp to speaker matching I have found is very important. Source is an Aurender N200 and EMM Labs DAC2X V2. Somebody else mentioned Audio Research and Pass, I have had that combination and that is a very nice sounding pairing also.
I’m interested in a pair of Revel 328BE how do you like those? I had a pair of 228BE and unfortunately had quality control issues from the factory and the serial numbers for left and right were so far apart, nine months manufacturing difference I could never get the speakers to image very well. I liked their overall tonality, but would be picky to find another pair.