In Reply to: Re: help: pi alignmemt for JBL E155 (box & port) posted by xsheya@yahoo.com on December 04, 2003 at 08:01:55:
These drivers are really tuned for high-output output above 40Hz. They can be used below this frequency, but they aren't designed with specs that make them well-suited for operation in the 20Hz - 40Hz octave. Looks for drivers with more moving mass and a little bit higher Q.
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