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Date: March 22, 2003 at 01:40:03
From: kicker 18's, [abq-215.13-185-64.nts-online.net]
Subject: Re: I use Eminance (bought on closeout parts-express $100 each)


Not sure I understand the ported design if it will bottom out the subs at 25 to 30 hz at 110 db or less. Would the response at 18 to 20 hz be capable of the same 110 db? If so, I could probably deal with the lower than hoped for spl levels, if not then what is a good compromise for high spl levels down to at least 25 hz? I appreciate all your help on this, like the other guy posted, being car audio drivers I knew they placed more emphasis on durability and power handling than trying to enhance the low end any. Im certain of 110 db levels at 30 hz with the two .7 qtc boxes I have now, probably well over that. I almost bought some of those drivers myself when parts express was clearancing them out. I should of bought some obviously!What kind of power handling would I have with the 12.5 foot ported boxes? I went and checked out the bassault from bag end, all I can say is wow!!! 104 db sensitivity with one watt, yet will hold 3200 rms! I can just imagine one in the corner of my living room. Go check out www.servodrive.com, they got some cutting edge stuff that is out of this world as far as bass production goes. I appreciate your help on this subject. One more quick question, what kind and how much damping material per foot do you use in your ported boxes?


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