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<blockquote data-quote="DFW40" data-source="post: 552089" data-attributes="member: 556468">The magic foam he is referring to is proably Polifill. This is the stuffing found in pillows and couch cushions, it can be purchase in fabric departments at Walmart etc. You can put this in your box (1 pound per cubic ft.) It can let a sub play a little bit louder at the lowest frequencies.I read this somewhere.It is advisable to put damping material inside a box.&nbsp;&nbsp; Pillow polyfill and fiberglass insulation are common, though polyfill is a lot easier on your skin.&nbsp; This increases subwoofer efficiency by dissipating some energy that affects the sub, particularly the voice coil.&nbsp; Polyfill also &quot;fools&quot; a sub into thinking it is in a bigger box.&nbsp; Play around with different amounts of polyfill until you get the desired results.Read here for wiring info<a href="http://jlaudio.com/tutorials/wiring/index.html" target="_blank">http://jlaudio.com/tutorials/wiring/index.html</a></blockquote>

[QUOTE="DFW40, post: 552089, member: 556468"] The magic foam he is referring to is proably Polifill. This is the stuffing found in pillows and couch cushions, it can be purchase in fabric departments at Walmart etc. You can put this in your box (1 pound per cubic ft.) It can let a sub play a little bit louder at the lowest frequencies. I read this somewhere. It is advisable to put damping material inside a box. Pillow polyfill and fiberglass insulation are common, though polyfill is a lot easier on your skin. This increases subwoofer efficiency by dissipating some energy that affects the sub, particularly the voice coil. Polyfill also "fools" a sub into thinking it is in a bigger box. Play around with different amounts of polyfill until you get the desired results. Read here for wiring info [URL="http://jlaudio.com/tutorials/wiring/index.html"]http://jlaudio.com/tutorials/wiring/index.html[/URL] [/QUOTE]

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