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Date: July 26, 2002 at 23:29:13
From: Brian W, [pcp01474781pcs.montvl01.pa.comcast.net]
Subject: Re: Aluminum cone subdrivers


some manufacturers make cones out of aluminum because
it's a strong yet lightweight material that is fairly easily fromed
into whatever shape you want. plus, aluminum has one of
the highest specific heats - compared to most other metals.
but the bottom line is this - a cone should be extremely rigid
and lightweight to achieve accurate sound and very fast
response. aluminum is a great material to use, and it looks
really cool, but it's expensive and there are other materials
that work just as well. to the best of my knowledge, most
aluminum cones are used in drivers that produce a
considerable amount of output, and don't seem too well
suited to sound quality applications, but once again, different
strokes for different folks.


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