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<blockquote data-quote="AudioDave" data-source="post: 6845986" data-attributes="member: 621041">OK Im not gonna go in to it about heat transferrence as to the basics of how a speaker works. This is not a post about heat. Most vented and filled poles todays subs use are designed for this reason.Filler does not increase anything frequency wise, it simply helps cancel out the coloration of off smaple waveforms reflecting off the walls. Yes it is in crafting stores but the fill for pillows made from cotton is not the same as the polyfill. It is not as dense, heavy or anything of the such. This is why I said pay the extra little for DACRON.I have worked for 4 of the top speaker manufacturers 3 of which are still in business. I dont need to prove anything. Heat is all electronics enemy. But sealed vs ported dont change the heat tranferrence on a driver either. I dont want to discredit anything.As for the directional issue with a sub... your years of experience should reflect a post of: If you have a direction of sub which is something that is supposed to be designed as nondirectional... your enclosure needs a rebuild.</blockquote>

[QUOTE="AudioDave, post: 6845986, member: 621041"] OK Im not gonna go in to it about heat transferrence as to the basics of how a speaker works. This is not a post about heat. Most vented and filled poles todays subs use are designed for this reason. Filler does not increase anything frequency wise, it simply helps cancel out the coloration of off smaple waveforms reflecting off the walls. Yes it is in crafting stores but the fill for pillows made from cotton is not the same as the polyfill. It is not as dense, heavy or anything of the such. This is why I said pay the extra little for DACRON. I have worked for 4 of the top speaker manufacturers 3 of which are still in business. I dont need to prove anything. Heat is all electronics enemy. But sealed vs ported dont change the heat tranferrence on a driver either. I dont want to discredit anything. As for the directional issue with a sub... your years of experience should reflect a post of: If you have a direction of sub which is something that is supposed to be designed as nondirectional... your enclosure needs a rebuild. [/QUOTE]

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