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Can someone explain to me what is vacuum in a subbox.
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<blockquote data-quote="RobGMN" data-source="post: 8771077" data-attributes="member: 683408"><p>Can you give us a little more info about where you heard this in reference to subs? </p><p></p><p>The only thing I can think of is a sealed box that is not fully sealed, and something is acting like a check valve at the "hole" that lets air out but not in.</p><p>Cone moves in, pushing air out, then the hole gets "sealed" and there is now a slight vacuum.</p></blockquote><p></p>
[QUOTE="RobGMN, post: 8771077, member: 683408"] Can you give us a little more info about where you heard this in reference to subs? The only thing I can think of is a sealed box that is not fully sealed, and something is acting like a check valve at the "hole" that lets air out but not in. Cone moves in, pushing air out, then the hole gets "sealed" and there is now a slight vacuum. [/QUOTE]
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Can someone explain to me what is vacuum in a subbox.
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