Yes.

My amp and DAC have been on for several years.

People still think amplifiers are audibly different they pay for marketing, not performance.

No.

Ive used a Mac or Hackintosh for many years in my setup.

What’s the difference? Time will pass whether it improves the sound or not. Just wait.

Linn Sondek - Linn Ittok - Linn Karna

PS Audio IV preamp

Luxman M-05 power amp

Magnepan MG-3a

Then I realised modern amps are all great and turntables can’t match digital quality so things got simpler. 👍

Is that an EV T-35?!

These were good speakers in their day.

I’d restore.

TL;DNR

In science we do not rely on perspectives or credentials to explain objective reality.

We rely on data.