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PrimaLuna amp good match for Thiel CS 2.3?
https://www.stereophile.com/content/thiel-cs23-loudspeaker-specificationsThese speakers are best served by an amplifier that at a minimum can produce 400 Watts into 2 Ohms, and preferably more. 
MAC Autoformers?
^Ah, I misread it. Just as I originally thought. 
MAC Autoformers?
https://www.stereophile.com/content/mcintosh-mc501-monoblock-power-amplifier-measurements-0I have to admit that I was quite pleasantly surprised to see the amp double down from it's 8 Ohm tap down to 4 Ohms, but from there down to 2 Ohms, it was e... 
Thiel Owners
AudioMachina and the original Ohm's with genuine Walsh drivers might be added to the above list of time coherent designs. 
Thiel Owners
Dunlavy, Duntech, Green Moutain, Meadowlark, Quad 63’s +>, jump to mind. 
Thiel Owners
^Proper driver integration and time synchronization for most Thiel’s works best at least 8’ away for a listener at typical seating height. 
Thiel Owners
I would have thought the extra compensation networks needed for the older drivers would have driven the impedance down, yet the older models had easier impedances. 
Thiel Owners
https://www.stereophile.com/content/bryston-3b-st-power-amplifier-measurementshttps://www.stereophile.com/content/bryston-4b-power-amplifier-measurementshttps://www.stereophile.com/content/bryston-7b-sstsup2sup-monoblock-power-amplifier-specificat... 
Thiel Owners
Perhaps not the entire picture, but a rather clear glimpse of some rather pertinent insight. With which I can avoid unnecessary gambles.https://www.stereophile.com/content/thiel-cs37-loudspeaker-specificationshttps://www.stereophile.com/content/th... 
Thiel Owners
tomthiel,Despite recommendations to the contrary, and as with so many other recommendations here, I think there are better alternatives:https://www.psaudio.com/products/bhk-signature-amplifier/#tab-specs * "2 Ohm  Stable for musical transients"Per... 
Class D Audio
I blame Dick and Harry. 
MAC Autoformers?
Shadorne, I don’t know. Careful amplifier pairing might be prudent. 
MAC Autoformers?
^No, usually. Typical loudspeakers vary sensitivity with impedance. 
MAC Autoformers?
….Because despite the never ending reports over the last 50 years of the amps not using autoformers  overheating, destroying speakers and causing fires, consumers keep buying them in such vast quantities as to provide a huge and continuing to grow... 
MAC Autoformers?
http://roger-russell.com/mcintosh1.htm#autoformerWhat is failed to be mentioned is that with most loudspeakers as  impedance decreases / sensitivity decreases and as impedance increases / sensitivity increases. So if the speakers presents an imped...