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Metal speakers. How are they?

I notice that aluminum and magnesium cones have become very common, including in some high quality systems. What's the story on these things? I am considering purchase of a speaker that has Seas 7-inch magnesium woofers, in MTM configuration.

These speakers will replace Dynaudio Gemini MTM speakers whose little 5" woofers are great, but just won't keep up with my three MG1.6 + SW front speakers. I have contemplated rear subwoofers, but there just is not space. The Dynaudios were used for many years as the high end of a biamped system, and they were fine for that purpose.
eldartford
clueless
763 posts
 
Hi:
I've heard the W18E001 woofers in two different speakers that were really excellent. I agree with Greg above that cone materials obviously make a big difference.

http://www.ellisaudio.com/1801.htm
http://www.madisound.com/thor.html

Personally, I think S. Linkwitz plays with a deck with a couple more cards than most of us and here is a nice piece he wrote up on drivers including the W18E001.

http://www.linkwitzlab.com/mid_dist.htm

Cheers
I remain,
eldartford OP
4,262 posts
 
Thanks for the good info. Seems as if the SEAS W18E001 is about as good as it gets.
slappy
903 posts
 
I agree with greg about the slight harshness, but all in all i think metal cones can make fantastic speakers

Regarding the horse-pucky reference, one of the things that has to be taken in consideration is weight and rigidity.
Maybe if you tolled the horse crap out real flat and fasioned it into a cone and used some sort of hardener to it, then maybe a horses but can be the source of sonic beauty! :)
dweller's avatar
dweller
3,785 posts
 
Slaps: Maybe mix a little beryllium with the pony's oats?
slappy
903 posts
 
Dweller, thats not a bad idea. Maybe a pinch of powdered ceramic as well
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