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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: RE: More to the Liking of Some? Laurence Dickie on His Tapered Tubes. posted by Doug Schneider on May 6, 2023 at 17:26:12:
A transmission line can completely absorb the back wave. It's just that bass lines traditionally are left open to add extra bass like a reflex port. They don't have to. They can be closed and that was mentioned in the early Wireless World articles on lines. Or there is the SEAS Thor line done by D'Appolito where the end of the line is stuffed like an aperiodic loading(Dynaco A25) so the line has no sonic output but is a pressure release. When you look at the impedance curve the lower rise is completely suppressed indicating no output.
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Follow Ups
- RE: More to the Liking of Some? Laurence Dickie on His Tapered Tubes. - hahax@verizon.net 05/6/2323:08:24 05/6/23 (4)
- Number of Mark's used the Thor type TL, do they cancel 150 to 250hz? - Edp 08:13:23 05/7/23 (3)
- RE: Number of Mark's used the Thor type TL, do they cancel 150 to 250hz? - Doug Schneider 18:09:10 05/7/23 (1)
- Unlike reflex above resonance, TL output is always out of phase - Edp 22:58:09 05/7/23 (0)
- RE: Number of Mark's used the Thor type TL, do they cancel 150 to 250hz? - hahax@verizon.net 14:19:47 05/7/23 (0)
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