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DIY For Audio
T L Loudspeakers
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<blockquote data-quote="Hennie" data-source="post: 9369" data-attributes="member: 20"><p>A paper coned B200 version is certainly possible but I have never heard of it. Maybe at the end of the B200's life, I dunno.</p><p></p><p>Bextrene is a trade name for a recycled packaging plastic. I think it is a selected grade of the black plastic material used in refuse bags. It is neither a polypropylene nor a cone damping material. Even with heavy damping applied it shows pronounced resonance.</p><p></p><p>Son Audax, Dalesford and others also built Bextrene coned drivers. Bextrene was seen as obsolete in the early 80's after the BBC research department led the move to polyprop which is even easier to fabricate and as consistent, all without needing a damping coating.</p></blockquote><p></p>
[QUOTE="Hennie, post: 9369, member: 20"] A paper coned B200 version is certainly possible but I have never heard of it. Maybe at the end of the B200's life, I dunno. Bextrene is a trade name for a recycled packaging plastic. I think it is a selected grade of the black plastic material used in refuse bags. It is neither a polypropylene nor a cone damping material. Even with heavy damping applied it shows pronounced resonance. Son Audax, Dalesford and others also built Bextrene coned drivers. Bextrene was seen as obsolete in the early 80's after the BBC research department led the move to polyprop which is even easier to fabricate and as consistent, all without needing a damping coating. [/QUOTE]
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DIY & Tutorials
DIY For Audio
T L Loudspeakers
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