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In Reply to: RE: Damping material for Altec 817A horn posted by Bill Fitzmaurice on March 14, 2023 at 10:31:14
this stuff?
Open up your mind, in pours the trash. - Meat Puppets, 1987
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It has a heavy layer that doesn't do anything for a well constructed cabinet. The foam layer is OK, but no better than any other brand of foam. If it didn't cost four times what other materials do I'd say sure, but it does. I use heavy vinyl mastic in my car, where it's the only way you can control panel resonance.
On the subject of price, foams sold as acoustic foam cost considerably more than furniture upholstery open cell urethane foam that works just as well. You can get that at Walmart and at fabric stores, like Joann's.
nt
Open up your mind, in pours the trash. - Meat Puppets, 1987
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