There’s been a lot of recent talk about using Bryston amps with Thiel’s here recently. I am not the only one who has touched upon this more than once before, but I guess for some slogging through all the posts on this thread might be daunting.
There was a time with the earlier Thiel’s that Bryston was as easy recommendation to make. A company with a long tradition of well made products, with one of the best warranties in the business, respected by both audiophiles and pros alike. Heck, the 3B is still one of my favorites. But... the more recent Thiel’s with sub 4 Ohm impedances aren’t quite as good a match. If one is considering purchasing Bryston amplification for any of the sub 4 Ohm Thiels it behooves you to read the following:
https://www.stereophile.com/content/bryston-4b-power-amplifier-measurements
https://www.stereophile.com/content/bryston-3b-st-power-amplifier-measurements
https://www.stereophile.com/content/bryston-7b-sstsup2sup-monoblock-power-amplifier-measurements
We can see that only the biggest 7b mono’s really have a proper 2 Ohm power delivery window to deal with the more recent Thiel’s. Even then it 690 Watts into 2 ohms is equivalent to a 172.5 Watt amp that could truly double down. With the latest Thiel’s impedance load one would be paying for 400 or so of unused Watts per channel.