@phusis , I am inclined to agree entirely. The best amps I have ever heard have all been Class A at least up to a certain output. These amps can not be put into an active speaker because of the heat they generate. They are forced to use Class D amps for this reason and I have yet to hear a Class D amp I would purchase. Even Class AB amps if run hard are going to generate enough heat to make an active speaker very uncomfortable. "Activeness" can be applied to any system just by the addition of the right processor like the new DEQX units or the Trinnov Amethyst. Then you have the ultimate control over what your system is doing. The DEQX Pre8 has a full two channel 4 way crossover. It will individually control 8 amplifier channels and apply room control to all 8 channels.
80%, 95% baloney! I want 110%, I want 200%. A home system can easily outperform most concert systems. The best systems are quite capable of fooling you into thinking the instrument is in the room with the right recording. Is this 100%? If you have a fine stereo image and a comfortably realistic volume level on the recording of a stadium concert is that 200%. At the venue what you get is an extremely distorted mono sound at a volume level that hurts.
A system that approaches Harry Pearson's absolute sound is wonderfully comfortable to listen to. There is no distortion, noise or sibilance. People never realize how loud the system is playing. Images of voices and instruments float in space with black spaces in between. The music is palpably real, you feel the venue breath. You feel each individual low bass note. Your eyes actually blur with a pipe organ's low C. Cymbals shimmer but are not too bright. People listen and their eyes always widen. In my 69 years I have heard exactly three systems that perform at this level and I made a living for 5 years installing very expensive systems in the houses of very wealthy people in Coral Gables Florida. I sold Beverages, Dunlavys Magneplanar Tympanies and Acoustats. Powered by Krell, Levinson and Accuphase. Not one of these systems approached the absolute sound primarily because décor was always more important then acoustics. I was never given an optimal situation and at the time probably would not have known one even if it hit me in the face. For 30 years I chased the absolute sound trying to figure out how to make a system reliably perform at that level. The three system's that did did so out of shear luck.