Melissa Manchester, Just You and I.
She had such a strong, pure voice but could also sing incredibly delicately. I have a MFSL recording she released - one of the few LPs I take out to play any longer.
Common with the TFM-15's is an issue where the amp gets stuck in protection mode and a giveaway is that there is a relay involved and after power on, the 'click' of coming out of protection never happens.
A search here will give you lots of info about this issue and troubleshooting these amps. Here's one to get you started:
Rockler carries several types of burl veneer including some matched packs
Walnut Burl Sequenced Matched 4-Way Veneer Pack | Rockler Woodworking and Hardware
With me vinyl is all about the artwork, so I'd go with whatever solution lets you see and enjoy it all the best. I kind of like the record walls people set up but I realize it's limited to what's displayed at any one time. But perhaps rotating in different albums each month from conventional storage might work?
Welcome Fernando! There are quite a few NHT fans here. In fact, a while ago I picked up a pair of the original NHT Model I speakers from 1989. Hopefully you'll get some Carver components to enjoy soon.
Welcome! When you talk about isolating your scope are you thinking about a high voltage differential probe? I have the Micsig DP10007 and it's worked well for me when I need to measure a voltage difference at two points not at ground potential.