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Looking for input: Best material for mid range cone

I had a surprise last night when I switched speakers in my system.  I've got a few pairs, but had been listening mainly to some Ascend Sierra 1, which have a polypropylene cone with a soft dome tweeter in a bookshelf design.  Anyway, I've got a pair of Tannoy Precision 6.1's, and swapped them in.  

The sound was noticeably different.  Piano sounded better, vocals had a finer quality as well, and the whole sound seemed a little more lively.  Now the Tannoys have silver interior wiring, a titanium tweeter in a coax design and are only rated for 75 watts. The cone material is some kind of pressed paper fibre.  And they are voiced to somewhat push the midrange.  But the sound was compelling.

I'm just wondering about cone material because some old Paradigms with Polypropylene were really not up to snuff, but they were quite old.  Any thoughts?
213runnin
fusian
129 posts
 
The wood that my viola is made from, is the best material.

IT SOUNDS JUST LIKE AN ACTUAL VIOLA! ;)
Post removed 
ahmety
1 posts
 
The answer is Paper cone of course. All you have to do that find high sentive one. I recommend you to that if  u use paper cone woofer instead of midrange and a bit widen the mid frequency. then you ll get most efficient sound. I mostly prefer paper woofer and paper midrange but not paper for tweeter of course.
ctsooner
2,480 posts
 
Paper absorbs humidity and it changes sound accordingly.  If coated that changes it all. That said, Youtube Vandersteen showing his carbon fiber cones vs a WELL KNOWN paper cone that's used in speakers from 15k to over 100k.  It shows the paper cone being out of phase quickly and that creates smearing.  No crossover can compensate for this.  
douglas_schroeder
3,281 posts
 
I prefer paper, polymer, mylar, wood, ceramic, woven fiber of various sorts, and metal. Oh, yeah, and diamond.  


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