Reply to thread

Message

<blockquote data-quote="quackhead" data-source="post: 7765842" data-attributes="member: 573547">Port = LOUDERWhen you use sealed, you are only getting sound from the sub moving in one direction, say the forward motion of the cone. the rear motion of the cone is lost in the box... some subs are better suited for sealed, some for vented...alot go either way. Accoustic suspension (sealed) is sometimes preferred for the natural response, higher power handling and smaller size(depending on the driver used). Vented(ported) is usually preferred due to increased output and better efficiency(less power required for desired output) because you utilize both the forward and rearward motion of the cone...In a vented box, the port is tuned to a certain frequency (commonly the 30hz to 35hz range)The port is determined by the box internal volume. I would recommend determining the inside volume of your box and see if the sub you want will fit in it as a ported box....usually a sub will require a little larger box for ported than sealed...but if the stars line up right, you might be able to cut a hole and drop in a Aero Port for a few bucks...that would be a big &quot;if&quot;...What works best is finding the subs you want and build or purchase the enclosure that suits them the best.The following image is one of my subs in a ported box. You can see where the sub output falls off and the port takes over... just an example of how it works.<img src="https://sphotos.xx.fbcdn.net/hphotos-ash4/306961_326752327400396_316338256_n.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="quackhead, post: 7765842, member: 573547"] Port = LOUDER When you use sealed, you are only getting sound from the sub moving in one direction, say the forward motion of the cone. the rear motion of the cone is lost in the box... some subs are better suited for sealed, some for vented...alot go either way. Accoustic suspension (sealed) is sometimes preferred for the natural response, higher power handling and smaller size(depending on the driver used). Vented(ported) is usually preferred due to increased output and better efficiency(less power required for desired output) because you utilize both the forward and rearward motion of the cone...In a vented box, the port is tuned to a certain frequency (commonly the 30hz to 35hz range) The port is determined by the box internal volume. I would recommend determining the inside volume of your box and see if the sub you want will fit in it as a ported box....usually a sub will require a little larger box for ported than sealed...but if the stars line up right, you might be able to cut a hole and drop in a Aero Port for a few bucks...that would be a big "if"...What works best is finding the subs you want and build or purchase the enclosure that suits them the best. The following image is one of my subs in a ported box. You can see where the sub output falls off and the port takes over... just an example of how it works. [IMG]https://sphotos.xx.fbcdn.net/hphotos-ash4/306961_326752327400396_316338256_n.jpg[/IMG] [/QUOTE]

Verification