Thiel Owners

When you say 'nude termination' I take it to mean the cable is self-terminated with no additional hardware. Good move. But now to the speaker input terminals. Whenever there is a cross-sectional excess of conductor in the signal path, eddy currents are induced along with other forms of non-linear flow. Those induced reactive fields present erratic impedance to the input signal. I suggest you put some straight or 45° banana plugs on the ends of your SP7s and fit them to the terminal center holes. Set the nut aside. (The actual post is OK.) Compare. Report.

Tom,

Yes, cable is self-terminated with no additional hardware. Nude is what Morrow calls them!

But re the banana plugs -- I could do that. Do you have recommendations regarding brands and/or materials?

The clones I described above are gold plated brass from parts express. Genuine WBT multiplies the price. 

Tom Thiel you have sparked a light ball in my brain. Eddy currents are another descriptive term that falls into the file cabinet of interfering energy. Same goes for shear wave interference and boundary interference. Right angles are a simple eyeball example..to be continued.. TomD

We first discovered eddy currents in the steel baskets of the O series. When we auditioned the phase coherent version we heard weirdness, but the phase-correct / time incorrect third order slopes 'erased' the weirdness. We thought it was mechanical / vibrational, but all the epoxy we could pile on the basket didn't help. It turned out to be magneto electrical eddie. Aluminum baskets cured it. Later we tried aluminum voice coil bobbins for their thermal conduction. Eddies were purely electrical, but problematic nonetheless.

This wavelaunch stuff I've been working with lately is a manifestation of the same effects in the realm of surface propagation and boundary layer turbulence. And, of course, the binding posts. Jeff Roland first brought that problem to my attention. They had put huge output posts on their amps seeking better performance and a marketing ploy. They failed sonically. 

Yep, same file cabinet.