Thiel Owners

^Interesting. For $55K the Humboldt's specs don't impress, especially for a load like the Thiel CS 3.7's. The Humboldt is rated for 320 Watts into 8 Ohms / doesn't come close to doubling down with 460 Watts into 4 Ohms and is not spec'd into 2 Ohms at all. The less than half the price Diablo on the other hand is rated for 300 into 8 Ohms doubles down to a greater and more linear response of 600 Watts into 4 Ohms (the CS 3.7's actual nominal load) and 950 into 2 Ohms. With the CS 3.7's 4 Ohm nominal / measured 2.4 Ohm minimum load and recommended power of 100 - 600 Watts (into an 8 Ohm load, with the understanding that the amp could double down as necessary) the Diablo appears to be better suited. For much less than $55K one could easily find separates with more apparent appropriate specs.

I have the 2,4 and when I use mu XA200.5 with them they are a different speaker. 

I use the X600.5 for the 7.2 as they just have the power to handle that load and play in a 35'x60' living room. 

duramax747

Right On!  Spec(s) are a starting point. Still, numbers do not tell the whole story.

Trust your Ears.

Happy Listening!

Well you don't need a degree in physics to determine a 600 wat amp will fill a room easier than a 200 watt amp with siliar amp output to fill a 21,000 cubic foot room 

Well it is surprising but the Humboldt had much more grip than the Diablo 300 on my 3.7s.

Bass was much deeper, detailed and full body with the Humbold, the Diablo sounded lean compared to the Humboldt.

In Europe the Humboldt’s MSRP is 42K, i cannot think of any separates that could compete within this price range.