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  1. #1

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    Default Replacing drivers in RTI a7

    I have a pair of Rti a7's.One of them has a bad driver-it's not bad but it sometimes crackles at higher volumes.I think I know what driver it is but I really can't tell without swapping the suspected bad with one I know is ok.The drivers look like they take allen wrenches in the front.I have sets of both metric and english and nothing fit.Today (while at work)Polk support emailed me that it needs a 3mm hex so I ran down to the hardware store ,got home and still no luck.What am I missing here?I can't seem to find a service manual anywhere on the net.I just hope this isn't one of those "doh" moments coming up.

  2. #2

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    It's 9/64, standard for Polk these days. Not sure why someone told you 3mm.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  3. #3

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    IIRC my A7's used a Torx (star) screw on the drivers.

  4. #4

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    Nope, 9/64 allen.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  5. #5

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    Pretty sure it's some sort of hex.Don't have a 9/64 but I will certainly post the results.Thanks both of you.

  6. #6

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    Finut is correct (as usual) it is definately 9/64's, I just went and checked mine
    Home Theater
    Onkyo PR-SC5508 Sharp LC-70LE847U
    Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
    Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
    Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
    Two Channel
    Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV

  7. #7

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    Yeppers 9/64 it is (of course.)Thanks again.Now to inform Polk tech support...

  8. #8

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    just to also chime in, it is 9/64.
    Processor - Emotiva UMC-200
    Pre-Amp (2 Ch) - Emotiva USP-1
    DAC (2 Ch) - Emotiva XDA-2
    Amp (Fronts) - Emotiva XPA-2
    Amp (Center/Surrounds) - Emotiva XPA-3
    CD - Emotiva ERC-1
    Fronts - Polk Audio RTi 12
    Center - Polk Audio CSi5
    Rears - Polk Audio RTiA1
    Sub - Epik Knight
    Sub EQ - Velodyne SMS-1
    Monitor - Samsung HP-T5054
    Blu-Ray - OPPO BDP-103
    Network Media Player - Roku
    Power Conditioner - APC H15
    Power Conditioner - Emotiva CMX-2
    PVR - DirecTV HR44-500
    Remote - Harmony Touch

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