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In the Forum: Audio For Dummies ™
In the Thread: UHF capable tweeters and the moronic conclusions
Post Subject: UHF capable tweeters and the moronic conclusionsPosted by haralanov on: 9/15/2012
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I'm really
amazed how many people do not understand the concept of wider frequency
extension toward the HFs. I frequently read comments from different people who
state that nobody hears above 18-19-20kHz, and they make stupid moronic conclusions
that it is absolutely worthless to have tweeters capable of reproducing
anything over 20-22kHz. Their empty heads do not understand that the wider frequency
range is needed not to reproduce anything over 20k, but to reproduce the
frequency range they are able to hear with CORRECT PHASE, mostly below 14-15kHz!
The more the
extension the tweeter, the less the phase error BELOW 14-15-16kHz!
The
situation with the output transformers is absolutely the same. An OPT with -3dB point
at 200kHz has much less phase error below 20kHz than an OPT with -3dB point at
20kHz, and because of this, it will sound much better if everything else being
equal.
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