ah, ok, that could be the point.
Anybody ever tested this? Well, I could buy a Legacy 2 and test it myself

. I´m running my Legacy through an attenuator, even if it´s not really loud for a 100 Watts tube amp.
But really, I don´t think this is a method to saturade your tubes and get this Poweramp distortion like sound, I think it´s only good to be able to play at bedroom levels. Well, maybe I´m wrong, but that´s the first thing that came to my mind. If you want poweramp tube saturation, you must play at high volumes, so the tubes can work in their best, of course the volume needs to be reduced at home. That means you need to put a resistor between poweramp and speaker. But I´d really like to know more about this technology. Any further information how this works? Maybe it does saturate the tubes, but in which way? Maybe a bonebreaking new thing

.