Originally posted by Honkeytonk Monkey:
Alot of sub manufacturers (the good ones like lambda, Adire, JL, ED, etc...) will always be willing to help you in the design of your enclosure when they aren't rediculously busy. I'm sure there are a number of people here also willing to lend a hand.

It's true ported boxes are more difficult to construct, they are also hard to perfect. If you get the tuning worng for your subwoofer, it can adversely affect it. That said, a sealed box built properly for a specific sub will not sound better, tighter, faster, (or any of those rediculous dexcriptive words) than a properly built ported enclosure.

The biggest drawback with a ported box is the increase in volume required. For instance, my Lambda PB15 required a fairly massive 3 cubic feet minimum SEALED. The box designs I came up for the sub ported were between 6.7 cubic feet and 5.3 cubic feet. That increase in volume used prohibited me from attempting a ported enclosure for the sub (that and I'm damn lazy)

My new sub, an ED 16Kv.2 which should ship someday (hopefully) Was optimised for smaller enclosures, so despite being a 15" driver, it will only require a 1.7 cubic foot sealed or 2.5 cubic foot vented box. I have no reason to stick with the sealed box anymore, and ED provided me a blueprint to construct my box tuned the way it needs to be tuned.

For most people looking for sound quality and lacking the ability to design the box properly, a sealed box is the way to go, less to go wrong. That said, too small of a sealed enclosure with have the same adverse affects and you'll hear it as your low frequencies will become boomy.



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1998 Contour GL 2.0L Zetec Stock as hell for the moment....