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  1. #1

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    Dec 2009
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    Default MicroPro1000 cone rattle

    New MicroPro1000 rattles as though it's bottoming out on loud passages... rattle is definitely coming from the cone. At 1200 watts and with the limiting and protection circuitry it describes in the manual, I'm wondering if I have a defective unit... my older 400W 10" sub has no problems at same levels.... anything I might be missing?
    Thanks
    Lou

  2. #2

    Member Sales Rating: (26)

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    Default

    This sub isn't meant to play loud if that is indeed what you're looking for. It's made to produce quick and accurate/punchy bass from a small enclosure and it does it well, especially for music.

    If you're using it for HT or both HT/music in a medium/large sized room, move on to something bigger.

    The MicroPro 1k is an awesome sub and I love it, but I specifically use it for music in a small room with bookshelf speaks.

    Btw, welcome to CP!

    -Freddy

    PS You should try turning the crossover on either your receivers settings (if you're using the LFE input) or on your sub (if you're using line-in) down to around 80hz or so. Put it up too high and you'll experience what you're experiencing now (according to other members).
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  3. #3

    Member Sales Rating: (26)

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    Another thing I forgot to mention, if you just bought this sub I highly recommend putting some playtime into it before trying to blast it. This goes for any pair of speakers/subwoofers you get brand new. They require a break-in time.
    Truck setup
    Alpine 9856
    Phoenix Gold RSD65CS

    For Sale
    Polk SR6500
    Polk SR5250
    Polk SR104



    Quote Originally Posted by heiney9 View Post
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  4. #4

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    Try running it between 60-80 hz and see if it disappears.

  5. #5

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    Default

    +1 on the above.
    Welcome to Club Polk.
    You will need to turn it down a little.
    I like the microPRO 1000, but use mine for music or low-medium volume HT off my computer system.
    The PSW505 or The DSW pro series are better choices for main room HT.
    I like the DSW PRO 600 for music and HT.

    Main HT/2 ch:
    Pioneer SC-07, BDP-05FD, Emotiva XPA-5 x 2, XPA-1 x 2,
    Polk Audio LSi25, RTi12 x 2, LSi15 x 4, LSiC x 2, PSW1000 x 4,

    MB HT/ 2 ch:
    LG 47LM5800, Pioneer SC-1523, BDP-23FD, Sony BDP-S790, Emotiva XPA-2, XPA-5,
    Polk Audio LSi25,15, CSi5, LSiFX, PSW505 x 4

    Listening Room 2 ch:
    McIntosh MC162, MC202, C15, C41, C42, MA6500, MA6900, MCD201
    Emotiva RSP-2, RPA-1, ERC-2
    Adcom GCD 750, GFP 750, GFA 5802
    Polk Audio LSi7,9, 15

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