Thiel Owners

Holco - I am very interested in your outcome reports. I have never experimented with such configurations, but considerable dynamic electromagnetic fields are at work in the speaker, beyond my understanding of their inner relationships.

I am unclear what elements would be grounded in the speaker, since the + and - leads are both active in the AC / signal feed. Are you envisioning some sort of additional shield in the cabinet? 

Tomthiel,
The idea is to connect the chassis of the unit's to ground, not the coil's of the unit's, will find out how when I remove them.

So, it seems you may be grounding the driver frames?
Thiel drivers since CS2.2 in 1990 use Faraday networks / shorting rings in the voice coil / pole piece structure which should cancel stray fields. But, stray residual eddy currents are possibly in play.  Please report your findings.

Correct,  I meant the driver frames, the results will be easy to check when unplugging the ground connection.

Btw, sorry for my crooked English.

Tom, I feel really good about your balanced, sensible approach to both theoretical and practical considerations to increase audible sound quality. I have become more cautious with assuming that when people make claims of improved SQ they have done their homework. Please include double blind comparisons to establish audible differences.