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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: A funny story about square wave test on speakers posted by beppe61 on December 13, 2014 at 23:34:18:
Since there are many 'good' speakers that don't reproduce square waves, at the present state of the art the ability to reproduce them is probably not important. But that doesn't mean the ability to reproduce them doesn't matter. If a speaker can do square waves, all other things being equal, it's obviously a more accurate reproducer. A square wave implies wide bandwidth and accurate transients.
But at what frequency is the square wave? The rule of thumb is if an item(amp, speaker) is sine wave flat at 10 times the square wave frequency then the square wave should look good if the phase response is decent. That's probably why a Quad can do a 1 KHz square wave but I doubt it can do a 10 KHz one, not a criticism. And if I recall the B&W DM6, a 3 way dynamic speaker, could do a reasonable 1 KHz square wave . It had step back for time alignment and had 1st order crossovers for about an octave(but went up to at least 3rd order beyond that). It was quite clear sounding for its day.
This, like any audio question is more complex than simple yes/no answers.
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Follow Ups
- RE: A funny story about square wave test on speakers - hahax@verizon.net 20:50:02 12/14/14 (10)
- RE: A funny story about square wave test on speakers - beppe61 06:28:24 12/15/14 (6)
- One wonders at what SPL the tests were taken? - rickmcinnis@dogwoodfabrics.com 08:00:57 12/15/14 (5)
- RE: One wonders at what SPL the tests were taken? - beppe61 09:30:03 12/15/14 (4)
- The SW test does tell us much but ... - rickmcinnis@dogwoodfabrics.com 14:22:26 12/15/14 (3)
- Still the main question for me is about the test and its possible correlation with speaker's accuracy - beppe61 22:55:39 12/15/14 (0)
- RE: The SW test does tell us much but ... - Jack D II 14:54:59 12/15/14 (1)
- RE: The SW test does tell us much but ... - Tony Lauck 18:30:35 12/15/14 (0)
- RE: A funny story about square wave test on speakers - Kloss 06:00:38 12/15/14 (1)
- Very interesting, thanks... (nt - genungo 06:49:21 12/15/14 (0)
- " If a speaker can do square waves, all other things being equal, it's obviously a more accurate reproducer " - beppe61 22:39:01 12/14/14 (0)
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