Originally posted by gonk:
Class D has been a standard choice on subs for a long time now - SVS, Outlaw, Hsu, Axiom, Velodyne, and many others. Amp manufacturers have had good luck getting good performance out of class D at the low frequencies that are subwoofers' territory. It's taken a lot longer to migrate from the bottom octaves to the full spectrum, but they're getting there. While they work on it, though, I'm quite content to let my good ol' solid state amps crank out the tunes. 
I agree. without getting into the aural effects inherent in the LFE territory, needless to say, it is the mid to high frequency spectrum that demands the utmost clarity. Can calss D's provide this? I have no idea. In a general sort of way, I am not sure I buy into the whole "digitized" kinda of sanitized concept. Think of MP3. I am tested at being able to hear well above 20 kHz. Maybe I am a freak, but even if not those frequencies are said to be "felt" in one way or another by concentrated listeners. Maybe "perceived" is a better word. I can also hear well below 20 hz. In short, the whole MP3 revolution, though great for disk space (which is a nonsequitor at this point) has killed off that format of music forme.
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