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<blockquote data-quote="mast240" data-source="post: 7437362" data-attributes="member: 631695">the sub displacement is usually listed by the manufacturer... but since you have a boss (which i wont even go into, right now)... i wouldnt put it past them not to list it. i&#039;m going to take a guestimate of around .15 cubed for that driver... but thats only a guestimate.... it could be alot more, or lessif the recomended volume listed on it says &quot;after sub displacement&quot;, then they have probably already taken the port displacement into account. otherwise, it would most likely say &quot;net volume&quot; or &quot;final volume&quot; ... but once again, it is boss, so you never know.only use one aero... adding a second will drop your tuning, and screw up vent mach.i would use the port internal, external will add volume to the box... but like i&#039;ve said before, it is boss, so its hard to say what the idiots there are putting on paper these days.with all that being said... understand this. you are building a system around a &quot;bottom of the barrel&quot; sub. please dont expect much from it. my suggestion, would be to upgrade to a well built sub, before spending time and money on a boss</blockquote>

[QUOTE="mast240, post: 7437362, member: 631695"] the sub displacement is usually listed by the manufacturer... but since you have a boss (which i wont even go into, right now)... i wouldnt put it past them not to list it. i'm going to take a guestimate of around .15 cubed for that driver... but thats only a guestimate.... it could be alot more, or less if the recomended volume listed on it says "after sub displacement", then they have probably already taken the port displacement into account. otherwise, it would most likely say "net volume" or "final volume" ... but once again, it is boss, so you never know. only use one aero... adding a second will drop your tuning, and screw up vent mach. i would use the port internal, external will add volume to the box... but like i've said before, it is boss, so its hard to say what the idiots there are putting on paper these days. with all that being said... understand this. you are building a system around a "bottom of the barrel" sub. please dont expect much from it. my suggestion, would be to upgrade to a well built sub, before spending time and money on a boss [/QUOTE]

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