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Why do only US makers focus on time coherency?

Just curious...it seems that the handful of truly time and phasecorrect speaker makers...Vandersteen,Thiel,Meadowlark,Green Mtn,Thiel,etc,,,are all US based companies...why is this? Are there any Euro/Brit speakers that come to mind? (Besides Quad stats?)
128x128phasecorrect
onhwy61's avatar
onhwy61
4,163 posts
 
Tannoy.
peaks
15 posts
 
you mention Thiel twice!?
bombaywalla's avatar
bombaywalla
1,957 posts
 
* JM Lab is time coherent but not phase coherent.
* German make "Manger" is a single driver speaker & by its very nature is time & phase coherent.
* Taiwanese make "Usher" appears to be time-coherent esp. from the looks of their floor standing speakers' sloped baffle. Looks could be deceiving tho' - I have never heard this brand.
hammy
171 posts
 
It's because the Brits are on Greenich mean time, and we're not.
From B&W's website: Tweeter on top reduces time smearing by allowing driver time alignment and reducing diffraction at the cabinet edges.
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