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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Active Bass Traps posted by Mark E on November 28, 2000 at 08:32:59:
This was a phantom Nelson pass company, marketing a patent of Nelson. An excellent product, reviewed in Stereophile in the '80s.
It was kind of a double anti-subwoofer with one (?) microphone, placed in the corner. The high percentage of standing waves in the corner was used to selectively cancel them out, just by acoustical (mic&) negative feedback.
It is not produced anymore. Nelson probably was too early. Or lucky, because the people that would have placed their HT-subs in the other corner might have returned a few broken (Phantom Acoustcs) Black Shadows, because they'd overworked when showelling back what was put in at the other corner...
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- Re: Active Bass Traps - Arbelos 17:30:10 11/29/00 (0)
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