Thiel Owners

I read things on zobel networks commonly being used with thiels speakers and amps used with them can anyone explain this? As well as the alpha goertz cables people talk about.

I agree Vandersteens are the ones that come to mind as the closest to Thiel sound and also build quality.

Hello
I have been a long time reader and fan of this forum. I have Thiel cs7 that have been upgraded to the 7.2 to say that I cheated on the audiophile path would be an under statement. i bought my speakers from a fellow audiogoner appx. 5 years ago, at that time I thought my Krell ksa 100 amp would suffice, but everything I read said 7.2s NEED power and plenty of it. So I started researching and listening to bigger amps. i was just about to pull the trigger on some Mac 501s when I read about the Thiel liquidation auction in Tn. I now have the Krell fpb 600c that Jim used to power his/my speakers.
When I bought the speakers the concrete baffles were cracked but everything sounded great. Now with the bigger krell on the speakers I am getting air through the cracks which causes distortion in the woofer of my left speaker.
I talked to Rob a few years ago about the cracks and he said there was a small shop near Thiel in Ky. that use to do those repairs but they closed about the same time Thiel closed. 
My big question is "has anyone repaired a cracked concrete baffle or know someone that can repair a concrete baffle"?

I just learned something from Rob Gillum regarding 3.7s.He told me that first generation 3.7s coax incorporated a silver bezel, latest generation have a black bezel instead of the silver one.

There is some reference to that issue here - https://forum.audiogon.com/discussions/thiel-owners-2?page=87

Best bet is to look for someone local or directions like - https://www.bobvila.com/articles/how-to-fix-cracks-in-concrete/

I owned Thiel 7.2s many moons ago but mine had the mineral composite baffle.  Don't know if it true or not but a couple of people told me there were a couple of reasons for the switch.  One was about 15 pounds of weight difference per speaker and the other was problems when speakers were shipped overseas (e.g. Asia)