Recommendations Wanted

There is nothing wrong about those beautiful 40 watts (more like 65) from your mc240. Just complimenting your system. 

Hello thermionicemission.  Happpy Holidays!  Please understand that we are all at the mercy of the recording engineer who provided us with whatever recordings we play. The fact that your system sounds great with some music, but not with others is proof that it's telling you the truth. Please remember that 400 watts is only 10 db louder than your 40 watts. It's how easily an amp can produce the power you normally use that matters. With inefficient speakers, 40 watts may not be enough. But, most speakers are in the 86 - 92 db range of sensitivity and 40- 60 watts is plenty unless you are trying to annoy the neighbors. Most of us listen at between 0.5 and 5 watts. A 20 db higher peak requires 50 to 500 watts! Is that news? Try some recordings of music you like that get excellent reviews. Do they sound great? If they do, your system is working well. Better recordings are cheaper than new electronics. I've got a lot of old recordings. Lots of stuff recorded off the air. Some of it sounds poor, but I like the music or the performance. I can overlook the "sound" because I like the material. When your sweetie has a cold, you still want to hear her voice, yes? Keep smiling! Enjoy the music.

Carlsbad makes a couple good points. One, Tekton are so transparent a huge amount of whether you wind up happy or not hangs on the rest of your system. They will let you hear it, quite possibly for the first time ever. On this one looking at the rest of your system I think you are on solid ground. 

The other point is, if you can afford it you will get even more moving up to Encore. Or for that matter Ulfberht. But your budget is $5k which makes Moab #1 with a bullet, nothing else even close.

verdantaudio, I guess you didn't read the post above yours?

40 tube watts is plenty, I'm using the 20W Raven Blackhawk now and even that is more than adequate to reach quite high levels. Measured 102dB at my sweet spot 9 feet away in my 17x24x9 room.

🙄…….Junk 

Big Zu Audio.