DIY Surrounds - Should I add polyfill - AVS Forum
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Old 11-28-2012, 10:44 PM - Thread Starter
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In general, when building full range speakers cabinets, should you add polyfill to the cabinets or even a little bit of spongy foam? FYI, I'm cutting them at 80 hz.
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Old 11-29-2012, 07:14 AM
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Nearly all speakers should be either lined or filled with damping, depending on the design. You probably should spend some time here before embarking on a build:
http://techtalk.parts-express.com/showthread.php?219617-The-Speaker-Building-Bible

Bill Fitzmaurice Loudspeaker Design

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Old 11-29-2012, 04:03 PM - Thread Starter
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Thank you for your response.
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