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Message: <blockquote data-quote="ciaonzo" data-source="post: 7141160" data-attributes="member: 607015"><p>I see your point but it depends on what type of rubber. Santoprene is stable from -60C to 135C but it's a polymer and not true rubber. Still it offers better durability. NBR is good from -40C to 108C and is probably the most musical surround to be had. Foam surrounds are usually very thick and become the main factor in the high resonance of most drivers, not desirable in my opinion. All depends on what you want I guess.</p></blockquote><p></p>

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