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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: Might need to take some measurements? posted by genungo on September 6, 2014 at 10:01:36:
The Alexia is not time coherent either, in fact one driver is going out while the other is going in (inverted polarity). It is far from time coherent despite the marketing BS. Compare that with a Thiel CS (any model) graph or a Vandersteen and you will see that they are world's apart.
The question of whether or not it is audible is the age old question and at least some of us are quite sensitive to speakers being coherent. My Ref 3as make a quite nice triangle and are clearly time coherent from measurements.
It is whether or not the speaker could make a credible and visually recognizable square wave as Quad used to demonstrate. Most speakers make it look like complete garbage and it is on the forgiving nature of our auditory system that allows non-coherent speakers to work properly at all.
The biggest advantage I have usually heard from coherent speakers is a much better integrated treble that seems smoother and less prominent. This leads to a more natural feel for the sounds in general as well as soundstage and imaging naturalness. This also leads to a lower fatigue factor...maybe the brain is just not working so hard to "decode" the sound waves projected its way?
What I can't understand is why Tannoy doesn't try to make drivers to use a true 1st order xover so that they can take ultimate advantage of the coincident driver concept.
The Ref 3as don't use a crossover at all on their main driver so it is possible but it has to be part of the design priority.
I would say that Tannoy is one of the most coherent sounding speakers that are not time aligned. To get them time-aligned would require a serious driver redesign though.
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Follow Ups
- RE: Might need to take some measurements? - morricab 13:00:18 09/07/14 (5)
- Alexia not time-coherent? - genungo 13:56:01 09/07/14 (4)
- RE: Alexia not time-coherent? - morricab 04:47:32 09/09/14 (3)
- RE: Well, "...those arrivals will not be discerned as separate events."... - genungo 06:57:49 09/09/14 (2)
- "...those arrivals will not be discerned as separate events." ie Reviewer speak not Science Speak. - Edp 15:47:16 09/09/14 (1)
- RE: "...those arrivals will not be discerned as separate events." ie Reviewer speak not Science Speak. - genungo 16:13:51 09/09/14 (0)
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