No such thing as high end Class D amps? You might want to look at what Atmasphere is doing. Ralph Karateen is building custom in house Class D modules, not off the shelf components from Purefi, NCore, or Hypex. On Audiogon Ralph writes that the class D a.ps have replaced his OTL monoblocks for...
Had a good friend over listening to the stereo, actually we were going through speaker set up parameters.
But we took a break to listen to some vinyl.
Took out Sade King of Sorrow from her box set and decided to play it on all three cartridge combinations I have. Now each is on a different arm...
My suspicions is that you will get different, but not significantly better. Of course, better depends on many things, such as set up of speakers in the room, the associated equipment, and complementary pairings. Finally, personal preference.
I would search out your local service centers for Focal speakers and find out what the history is for that speakers internal amps are. Also find out if they rebuild them, or if you have to order replacement ones. Find out the cost and availability. As someone else said you are balancing risk of...
Stereo gear was everywhere when I was growing up, much the same as it was for you. Department stores had it like JC Pennys, Jafco, and K Mart. Radio Shacks were everywhere then, kind of like convenience stores. There was independent audio stores that had consumer gear, like The Stereo Shoppe or...
Not many 1970's pieces interest me. An iconic turntable, or a couple of tonearms maybe.
Otherwise I cannot think of many compelling pieces to have.
Now some tube amps from the 1960s could be of interest. Or a couple of idler drive turntables.
On this site? Someone buying a My Sonic Labs cartridge? I don't think you are going to find any owners of a current top end offering. These are Denon 103 and Nagaoka MP200 people. They aren't going to be owning any Einstein Audio pieces either.