Sterling Engines are usually piston driven, no? I’ll admit, I’m not up to snuff on alternative designs of the Sterling engine.

Magnetically aligned or not, you still have to seal the piston to the chamber to stop blow-by. Friction and lubrication would still come into play, wouldn’t it?

[citation needed]

$100? On the very low end of audiophile cables. No joke, I have seen cables with the prices climbing towards five figures. There’s a set right now on US audio mart going for over $6000USD. For a set of RCA cables.

Sometimes I think I’m in the wrong business.