Something about Thiel CS 3.7

Hello Guys,
I own since ten years the Thiel CS 2.4 (not SE) and I'm still happy with them but someone offered me the Thiel CS 3.7 as change with some added money.
Theorically should be an improvment respect my 2.4 expecially regarding the easyest load .. my 2.4 run with Primare A32 solid state amp.. that does a good job on them.
The 3.7 reading specs has 90db efficiency and 4 ohm load with a minimum around 2.3ohm while my 2.4 87db same 4 ohm load but a deep around 1.2 ohm .. not easy for amps.
Someone here tried both? .. and what do you think about?
Thanks in advance for your reply!
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Showing 1 response by prof


I'm a long time Thiel fan, had listened to the 3.7s, the 2.4 at one point long ago, had the CS6, 2.7 and 3.7s.

The 3.7s are the best speaker Thiel ever made, truly a culmination of his engineering talent and what he'd learned up to that point.   All sorts of innovations put them beyond the 2.4.

The coax drivers are more detailed, yet more relaxed and organic, than previous generations.   I've had many speakers but the 3.7s were probably the best: massive soundstage capabilities, but with super image precision and density, completely coherent from top to bottom in a way that make most other speakers sound like they are "trying."I auditioned a long list of current speakers and overall I found the Thiels performed better.

I had to downsize a bit to the 2.7s which are amazing, though not quite on the level of the 3.7s.

So, yes, the 3.7s would certainly be a step up from the 2.4s.

The 3.7s reached such a stage of innovation and refinement I'd feel confident many other speakers will be playing catch-up (and many failing) for years to come, to match such a coherent collection of traits in a speaker.