Posted by Duke [ 63.87.108.184 ] on January 31, 2007 at 18:56:04:
In Reply to: Re: It depends... posted by Wayne Parham on January 31, 2007 at 17:46:48:
Two problems I see with high efficiency coaxials: First, the relatively long throat for the high frequency driver (which is typically mounted to the back of the low frequency magnet); and second, the less-than-optimum "mouth" of the "horn". B&C has a couple of coaxials with shorter throats than normal, achieved by using the same magnet for both driverss. I think this is what Tannoy does, and I wonder if the Tannoy patent has expired or something, or maybe B&C is licensing. Not much that can be done about the "mouth" issue, except to listen off-axis. I'm playing with the 12" B&C common-magnet coaxial and like it so far. Just wish it wasn't so darn expensive!
Duke
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