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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: RE: What would you think these speakers cost? posted by KlausR. on March 16, 2008 at 08:25:09:
Haven't crunched the math yet, but the one Milli second delay of the woofer and tweeter translates roughly to a 1 kHz one. However if both drivers are playing the same frequency that will translate to half of that 1 kHz tone as being out of polarity to each other:that's 500 Hz and happens to fall on one of the crossover points.
The situation would be exacerbated by the fact that the ports are located alongside of the tweeter, a practice I do not like at all. In my experimental speaker building days, any front baffle mounted port throws the moving air column in the cabinet out of that port inverted in polarity to the driven speaker. Not good for ultimate performance, as while the bass improves, the upper frequencies at the upper crossover point of the ported driver gets very 'muddied' up.
Like any other sensory organ, the ear needs training. There certainly is an interface of mind and hearing which is very critical. Much like learning how to ride a bike, you have to juggle the physical response with the sense of balance to get a unified reaction. The average man off the street may not have that interface in action even though he may have superior hearing acuity than say a reviewer or a test volunteer.
As for hearing anomalies, again I submit that constant or frequent exposure to live, unamplified music will create in the listener's brain, a 'corrective' factor which will accommodate any hearing anomaly. I would readily concede the point, however, that individuals with not much experience listening to a live, unamplified ensemble may not be able able to compensate or, more accurately, to discern.
I can point out my personal experience as an example. Having worked with pneumatic tools daily for over a decade, the hearing in my right ear has been affected (I am right handed). I have, when I last was tested, a 6 dB drop at 6 kHz in my right ear, despite using ear protection while working. When listening critically I favor my left ear as a result, but I can still hear well and in stereo. When attending live performances with others who should have better hearing than I have (they're younger and have never worked with pneumatic tools) I notice certain aspects to the sonics that they have trouble isolating, at least until pointed out.
I guess philosophically, one can bring up the concept: can one perceive or conceive of something if there is no vocabulary for it? As often reiterated, Eskimos are supposed to have multiple words for snow and the various conditions they encounter it. I can not speak German so I have no idea of what the vocabulary there is for sound. I certainly know that many words in English are derived from Italian when it comes to music, and the average English speaker has to resort to words used for other senses to describe sound, leading to ambiguity and confusion.
One reason why despite his flaws, I admire HP of The Absolute Sound, is that he tried and basically succeeded in providing a vocabulary to describe what he hears. Much of the terms audiophiles (at least in the US) use today owe their usage to his definitions. I found it fascinating to read of his struggle to define a concept of sound for which he did not have a word.
Stu
Stu
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Follow Ups
- Some thoughts - unclestu52 03/17/0813:14:51 03/17/08 (1)
- RE: Some thoughts - KlausR. 23:21:04 03/22/08 (0)
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