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Uploaded by on Jan 23, 2009

Fi IB3 18" free air 20Hz sine wave vid1

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Uploader Comments (kryptonitewhite)

  • I got it stuck in the pole vent :(

  • no do not get a Fi IB3 I got it for a temp setup till I got my 21" Malestrom-X's

  • edit: must have at least 25 times more volume than it's Vas, more: better. Some say 10 times... debateable. Smoothest/flattest responce, minimal power requirement... usually flat to 10Hz

  • infinite baffle.... not made for enclosures... needs a whole room or attic on 1 side of the driver to act as a HUGE "sealed" box... must have 25 times the volume of the driver's Vas.

    It's made to be loose... only 1 soft spider, and needs very little power, because they play "free air" but have a baffle to separate the rear wave and front wave so there's no cancellation

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All Comments (10)

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  • Your getting a woofer blow job.

  • Remember real life sound is different to amplified and too high is bad for your hearing so practice safe and youll have many years of happy listening. I guess once its mounted in an enclosure it will be signing a different true.

  • that IB3 is awesome how many watts you putting to that beast?!?

  • bl are awsome look them up butt if its 18 box get a btl anythin smaller then a 18 get bl.

  • hey man i have question . im gonna buy me 2 fi audio subs . but i just got my box made . i have an 08 chevy impala . so what should get you think best for me ? btl, bl , or tha ib3 sub

  • 30mm xmax for the win lol.

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