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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: An excerpt from the DJ Society posted by Jay Buridan on October 30, 2007 at 04:51:08:
The idea is to move the resonant frequency above the critical midrange bandwidth. That being said, examine the philosophy of the critically acclaimed Harbeth speakers. They use a simple 9 mm birch type ply without bracing for their cabinets which actually rings quite a bit. They claim that the resonant frequency is part of the design, but is high enough to be situated outside the critical mid band.
Most so called 'non resonant' cabinets are simply well braced, some with a double wall construction which usually raises the frequency either well above or well below audibility. They still resonate, hence the ability of devices like the Tekna Sonic to 'work'. As a matter of fact, that's why even cones work on speaker cabinets.
The 'rap' test is more a measure of cabinet bracing and strength of construction. The idea is not to eliminate resonance, which is impossible, but to control it and to transform it into a more benign form.
Stu
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Follow Ups
- RE: An excerpt from the DJ Society - unclestu52 11:16:08 10/30/07 (2)
- Interesting. What exactly is "above the critical bandwidth"?? (nt) - cheap-Jack 12:16:42 10/30/07 (1)
- RE: Interesting. What exactly is "above the critical bandwidth"?? (nt) - unclestu52 19:14:21 11/05/07 (0)
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