Reply to thread

Message: <blockquote data-quote="A-hole" data-source="post: 7273161" data-attributes="member: 541635">good question.  I dont know either but I can guess it has to do with the most efficient way to cool off the coil while keeping the subs mechanical limits un molested by the force of air created by the cone movement.      I personally think that the pole vent seems more practical.  but I have seen subs with both.  ventalation on the spider landing and pole vent.   I think that is what they are called.       I have even seen cones with holes in them under the dust cap.Just my thoughts.  I honestly dont know the thruth.  who does?  chime in...</blockquote>

Top