E46Fanatics - View Single Post - Convertible Ski-pass Subwoofer...custom install
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Old 05-30-2012, 08:00 AM   #34
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Join Date: May 2009
Location: Crestview, Florida
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My Ride: 2006 330CiC/ZHP
Originally Posted by radarcontact View Post
Note: for those that try this...after you are done, try switching the polarity of the speaker for a sound check. Or some amps allow this with a switch (polarity 0 or 180). In this type of setup, phase can sometimes end up reversed, so if you intentionally wire the speaker out of phase (reverse polarity) you can "trick" the system into being correct. Just swap the leads and see which gives you better sound.
Also re,ember that this is essentially a "baffle" enclosure (no actual enclosure, just something physical that protects the back waves from interfering with the front waves). You lose a lot of power handling with this type, so be a little stingy with the power when showing off to your buds.
--if you build a "box" behind the woofer, then disregard my statements above.
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