Thiel Owners

Does anyone know if Rob @ Coherent Source does ferrofluid replacement for the CS 3.6 tweeter.

Or does anyone know the price of a genuine Theil replacement tweeter?

@tomthiel. I have been messaging @stspur about some changes he is making with his CS3.6's. He soldered in some different components into his crossovers which he says have made a big impact on sound quality.

Is there any way to get a list of the specs/part numbers/brands of components that would help to freshen the crossovers on my CS3.6's. I am already planning on taking my CS3.6's to Rob at Coherent Audio to have the ferrofluid checks and get the later style speaker binding posts. I have Analysis Plus speaker wires that were quite expensive that are terminated with spade connections. These spades can't be tightened down quite enough, there is some rounding off evident on the plastic nuts. I told Rob that I would like him to do the later style which he said have slightly more durable metal speaker terminals and said he could do this. The cost did not seem that excessive to me compared with the turntable updates I am doing with my LInn LP12 turntable right now.

One more question: I am using Sound Anchors stands under my CS3.6s but nothing right now between the bottoms of the CS3.6's and the tops of the Sound Anchors. I could use the factory spikes and just get some cups to put on top of the Sound Anchors or maybe some of those cork/sorbothane squares I have seen would work. What suggestions would you have here. I get a lot of bass from my Bryston 4B2 amp but I get the feeling that I could tighten it up a bit in my second story carpeted listening room with some tweaks.

For those Thiel owners who are contemplating using Isoacoustics GAIA footers beneath their speakers, I am eagerly awaiting your reviews of how it impacted the sound quality. I am a CS3.6 owner and my speakers sit atop of Sound Anchors stand that I have configured with 2 front and one rear spike that then sets in a stainless carpet disc with a little depression in it for the spike. 
 

My listening room is in my 2nd story living room (suspended floor). There is a good amount of bass energy that sort of “escapes” into the floor and can be powerfully felt downstairs. I never utilized the blue rubber discs that Sound Anchors provided to go between the speaker bottoms and the top of the stands. I am currently on a mission to “voice” my system better so I may start by placing 4 of these blue discs under each speaker corner then do some analytic listening. I will likely also try without the carpet discs and just push the spikes firmly into the carpet then listen. Lastly, I plan to try 1 front and 2 rear spikes or 4 spikes in each corner of the Sound Anchor stands which are pre-drilled for both configurations. 

But actually I was curious about the unthreaded 1/4” pin sockets that originally are spec’d on the CS3.6 speaker bottoms and accept 4 unthreaded 1/4” diameter spikes. I bought my speakers used so I don’t have the spikes but I may try to obtain 8 of these spiked pins from Coherent Source Audio in Lexington, KY. With these spikes I might experiment with the CS3.6’S spiked on dimpled discs on top of the Sound Anchor stands. 

My objective with all this is to tighten up the bass and hopefully further quiet or eliminate smearing across the audio band. My new Bryston 4B3 amp is more detailed for sure than the previous iteration (4B2) but bass punch and clarity have been underwhelming so far. The 4B2 may have even been better with bass than the new version per my recollection. 

After I complete some of the above listening tests, I may go ahead and purchase Isoacoustics GAIA feet to mound beneath the Sound Anchors stands. Due to the total weight of my CS3.6 @107# + the weight of the Sound Anchor stands, I am at the maximum recommended weight for the GAIA 2’s. I messaged Isoacoustics and they thought that getting the bigger GAIA 1’s which have a weight max of 220# that a good option for me would be to set my Sound Anchor stands up with 3 of the GAIA 1’s. I believe I would use the 1/4-20” screws that come in the package. Since I would only need 6 of the GAIA 1’s I would purchase one 4 pack and 2 additional ones that are sold singly. 

From what I have read about the Isoacoustics GAIA feet, these might be a moderate price tweak to decouple the CS3.6 speakers with the payoff being increased clarity of the bass. Hopefully the de-coupling would not rob my speakers of bass, this is my biggest concern about trying this implementation out. I suppose if the performance of the GAIA feet changes the SQ in a way that I don’t like, they could be resold on Audiogon or eBay. The total cost of the 6 GAIA 1’s looks like it would be right around $900 USD which isn’t bad if the results do what I’m hoping they can do. 
 

Feel free to give feedback on my idea and I can provide future updates as I try out the different configurations.
 

One other remark I would make about the Isoacoustics GAIA feet: there was some discussion on a YouTube comparison video with the Townshend Audio ones that involved ported vs non-ported enclosure designs and they seemed to say that the ported designs bass performance improved considerably with decoupling but sealed designs suffered a bit with arguably too “dry” or washed out bass. 
 

I’m just curious how the CS3.6 would perform with bass response since it has that passive radiator. I’m actually eager to try it out for myself but perhaps some other Thiel forum members already can speak to whether there is a synergy here (best case) or worst case - perhaps all of this might conspire to cancel out some of the low end that we all know must be present and not attenuated in comparison to the midrange & treble response.

@thieliste - just wondering if you might have needed the GAIA 1’s instead of the GAIA 2’s? I messaged Isoacoustics about them for my CS3.6’s which weigh about 108 pounds and told them that I was considering putting 3 of the GAIA 1’s (which are rated for 220 pounds for 4 feet) and they said that the 1’s would be the way to go because it is best to keep well under the max rating.

Now I have not done this yet but this tweak to my Sound Anchors stands is something I am still planning on doing in the near future in order to tighten up the bass. I’m thinking that a lot of my bass power is escaping into the suspended floor anyway so by decreasing this, I’m hoping for increased bass clarity. If it turns out that the low bass is too thin, maybe then I will start looking into a sub to go with the 3.6’s.