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Or the tuba, or the piano, or... The point...

... is, so many instruments disperse sound in weird omni-polar fashion. Our systems can only create a wavefront that is a highly artificial summation/approximation or the real thing. The true character of instruments and sounds is lost, and regardless of the "polar accuracy" of our systems, the end result will always be a somewhat perverted and farcical presentation. The wavefront presented by live music is too complex and nuanced to be accurately reproduced by speaker systems as they exist today, and "perfect polar" response (or, as close as we can get to it) has not cured the problem, as real instruments and recordings continue to sound different from each other.

I've been listening to a pair of speakers that is supposed to offer time/phase coherent behavior. These "augmented single-driver" speakers have tweeters that can be slid fore and aft so that the user can adjust time alignment for listening distance. If I deliberately mis-adjust the tweeters so that optimum coherency is lost, the feeling I get is not so much that of lost *realism* as it is a feeling of *slightly diminished smoothness*. I'm not sure that this experiment shows anything conclusive, but it re-confirms my experience so far: Physical coherency contributes more to a increased sense of smoothness and/or long term "listenability" than it does to an increased sense of *realism* in sonic reproduction.

At best, "perfect (driver) polarity" might provide fleeting waves of sonic respite within a sea of sonic turmoil. Perfect amplitude response and the optimal mixture of direct and reflected sound have shown themselves to be the more important goals to strive for because they contribute most to the impression of realism, for most people. Assuming that we can take the idea of "realism" all that seriously in record playback, that is...

As you have pointed out, AKG has decided that inverted driver polarity sounds best in a pair of headphones, and I'm pretty sure that they must have tried things both ways before deciding on their "signature sound". Could it be that *inversion* naturally shows itself to be a minor issue when *perversion* is the name of the game?



Edits: 08/30/14 08/30/14 08/30/14 08/30/14 08/30/14 08/31/14

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