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Old 17th August 2020
Lives for gear

We’re on the same page - the calculator shows practically the same result with the inner dense layer as compared to the whole depth with just fluffy.

So I cant see the inner rigid layer making anything worse - maybe even some positive effects? Membrane effect?

The only negative I’ve read is about impedance - is that an issue here?

Last edited by stenerlov; 17th August 2020 at 03:36 PM.. Reason: Link added