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  1. #1

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    Join Date
    Feb 2002

    Default Question on the FX surrounds...

    Asked a long time ago but forgot why the rt fx dipole/bipoles have only one driver and two tweeters? Something to do with the push/pull null effect?

    Also I noticed the RM95 5-pack system have surrounds with two drivers and one tweeter. The larger systems such as my fx500i have two tweeters and one driver. While the Lsi fx have both tweeters and drivers either side?

    Wondering do other companies market thier speakers this way ?

    Last edited by begbie; 01-31-2008 at 09:20 PM.

  2. #2

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    Feb 2002


    bump ^

  3. #3

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    Jan 2008


    I have the fxi3's, and have wondered this myself. I'm not sure if it is done this way because they are supposed to be complimentary to bigger bookshelf/floorstanding speakers, or how the sound radiates between dipole/bipole mode. I would be willing to guess that you're on to something with the push/pull effect they create when in Dipole mode.
    Hope this helps :)
    The Home Theater Setup:

    Fronts: Polk RTi6
    Center: Polk CSi5
    Surrounds: Polk FXi3
    Rears: Polk FXi3
    Sub: Polk PSW125
    AVR: Denon 3808CI
    TV: Mitsubishi 65" Diamond DLP (WD-65833)
    Game Console: Xbox360
    Game Console/Blu-Ray: PS3
    Satellite: DirecTV HD-DVR (HR21)
    HD-DVD: Toshiba HD-A35
    Remote: Logitech Harmony 890 Pro

    2 Channel Setup

    AVR: Pioneer VSA-910
    Speakers: Klipsch KG4 (from 1985)

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