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  Time coherence - how important and what speakers?
I have been reading alot about time coherence in speakers. I believe that the Vandersteens and Josephs are time coherent.

My questions are: Do think this is an important issue?
What speakers are time coherent?

Thanks.

Richard Bischoff
Rbischoff  (System | Threads | Answers | This Thread)

09-14-02
  Responses (1-50 of 155)
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09-14-02   There are a couple of other brands too - thiel, for one. i ...   Blw

09-14-02   Bound for sound just wrote a piece on this in their new issu ...   Ozfly

09-14-02   Http://sound.westhost.com/ptd.htm "do think this is an ...   Ezmeralda11

09-14-02: Soix
Sure time and phase coherence are important, but these are only two aspects of many that go into how a speaker sounds. If a manufacturer achieves time/phase coherence but botches the crossover or driver integration, cabinet, etc. the result will not be pleasing. Gotta look(& listen) at the whole package, cause that's what you're ultimately hearing. I definitely hear something a little different when listening to Thiel speakers in terms of image specificity and a sense of dimension, but I don't know how much of that is due to their time/phase coherent design. Along with those mentioned above, Meadowlark is another company the adheres strongly to this design philosophy and much can be read about it on their website.
Soix  (Threads | Answers | This Thread)


09-15-02   Just because a speaker system has a sloping baffle does not ...   Bigtee

09-15-02   Far fewer speakers are really time-aligned than you might th ...   Karls

09-15-02   Some consider time and phase coherent extremely important es ...   Stehno

09-15-02   While i have heard speakers that i enjoyed that weren't time ...   Unsound

09-15-02   Any single-driver speaker, whether cone, walsh, electrostati ...   Karls

09-15-02   I may be wrong but i don't believe that karl's statement is ...   Bigtee

09-15-02   Two points for you bigtee. number 1 - if the highs travel ...   Twl

09-15-02   Some of the audio physics and lowthar(?) designs might qual ...   Unsound

09-15-02   I just came off of 2 physics websites regarding the speed of ...   Twl

09-15-02   Twl, i'm in over my head here, but i won't let that stop me. ...   Stehno

09-15-02   Stehno, the 1st order crossover alignment, which consists of ...   Twl

09-15-02   Twl, only first order filters are phase coherent, no excepti ...   Karls

09-15-02   Karls, thanks for the clarification. i was under the impress ...   Twl

09-15-02   I think we could discuss this subject for a long while and g ...   Bigtee

09-15-02   "science has proven a bumble bee can't fly but it does& ...   Ezmeralda11

09-15-02   I didn't read every word in this thread, but it started by l ...   Suits_me

09-15-02   Karls, i believe that john bau of spica designed time coher ...   Unsound

09-16-02   Well, i'm going to take one last technical stab at this. wha ...   Bigtee

09-16-02   Time coherence is difficult to achieve because the acoustica ...   Audiokinesis

09-16-02   There may be more than one way to skin a cat. john bau's cla ...   Unsound

09-16-02   Unsound---they lied! it has to be a first order filter perio ...   Bigtee

09-17-02   This topic comes up every few months. designing for phase co ...   Josephaud

09-17-02   Josephaud, to answer your questions: (1). time and phase co ...   Unsound

09-17-02   I'll take a stab at joseph audio's post: first of all, no on ...   Karls

09-17-02   In response: unsound: please allow me to expand on your com ...   Josephaud

09-17-02   In response: karl, it's possible for higher order crossove ...   Josephaud

09-17-02   Man, i'd like to see richard vandersteen and joseph audio ge ...   Bigtee

09-18-02   Josephaud, let me return the favor, (1) the fact that you s ...   Unsound

09-18-02   Mr. joseph wrote: "i've found that other things such a ...   Audiokinesis

09-18-02   Unsound, you may have misinterpreted a comment just as i did ...   Ozfly

09-18-02   I am not about to slam on joseph's speakers, because i think ...   Karls

09-19-02   Ozfly, at the risk of appearing petty, joseph still couldn't ...   Unsound

09-20-02   Time coherence is as important as the amplitude response mea ...   gma@

09-21-02   Listen to roy johnson ! then go listen to his speaker's.the ...   Chaz

09-22-02   I don't see a web site for green mountain. where can i get i ...   Unsound

09-22-02   Hi, i am buying a pair of green mountain c-3's, should be h ...   Telescope_trade

09-22-02   The green mountain speakers look like a serious acoustics ex ...   Judit

09-23-02   Greenmountainaudio.com will be published in the next few wee ...   gma@

09-23-02   They are not tuned to your room, but "focused" to ...   gma@

09-23-02   Great post, roy!   Karls

09-24-02   I feel the need to try to set the record straight regarding ...   Josephaud

09-25-02   Now we're getting somewhere. designers sharing the merits an ...   Unsound

09-25-02   Every speaker design is a compromise. the perfect solution i ...   Bigtee

09-25-02   Bigtee, i agree that there are trade offs in every design, ...   Josephaud

09-25-02   I don't have the means or ability to test my listening impre ...   Unsound

09-25-02   Jeff, the last statement you made about "truer" so ...   Bigtee


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