On Mon, 31 Dec 2007 13:17:30 +0000 (GMT), "Dave Plowman (News)"
wrote:

It occurred to me when fitting some new car speakers that a dual
concentric design would be ideal for this use. But they all seem to have
tweeters just stuck on the front. Any reason why this design has fallen
out of favour?

Cost of manufacture would be my guess. With the tweeter stuck out in
front mixing and matching between models is easy - just change the
cosmetics.

d

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Pearce Consulting
http://www.pearce.uk.com