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  1. #1

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    Default LSi7 Right Speaker Underpowered and making popping noises

    Hi all,

    I purchased a pair of LSi7 bookshelf speakers and they've worked great for a few months.

    I recently picked up a Onkyo TX-NR515 receiver and after rewiring everything I've noticed that my right speaker is now very underpowered when compared to the left is also very tinny sounding and making popping noises.

    I plugged it into the left channel on the receiver and it's still doing the same thing. I tried use different wire, but still getting the same problem.

    Not sure if there is something I'm doing wrong, but I can't imagine that the speaker is blown being that I've never 'blasted' them. Hoping there is something obvious that I'm not thinking about. Any suggestions would be appreciated.

    Thank you.

  2. #2

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    I think you may be over stressing you avr. The LSI series speakers are 4 ohm speakers, while the LSIM are the 8 ohm series. According to Onkyo your avr isn't designed got 4 ohm speakers.

  3. #3

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    Damn. Anything I can do other than buying a new receiver? Is it possible that I ruined the speaker?

  4. #4

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    Just swap the speakers and see if the one sounds the same on the other side.
    Full 5 channel set of Polk Audio
    Fronts - LSiM 705
    Center - LSiM 706c
    Sides - LSiM 703
    Mits WD-82842 82" DLP 3DTV
    Denon AVR-3313CI Receiver
    Emotiva stealth DC-1
    Emotiva XPA-2/Fronts XPA-3 Center-surrounds
    Oppo 103

    Loving the new Family! :)

  5. #5

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    I did swap them and it does sound the same..

  6. #6

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    Also he should be able to grab a new amp to power those speakers like a Emotiva XPA-2,3 or 5 as long as the receiver he has now has pre-outs. Those would drive 4 ohm speakers.

    http://shop.emotiva.com/collections/amplifiers

    Find a good used one to save some dough as long as it still has the warranty. Theres some on ebay.
    Last edited by eclypse; 03-31-2013 at 02:35 PM.
    Full 5 channel set of Polk Audio
    Fronts - LSiM 705
    Center - LSiM 706c
    Sides - LSiM 703
    Mits WD-82842 82" DLP 3DTV
    Denon AVR-3313CI Receiver
    Emotiva stealth DC-1
    Emotiva XPA-2/Fronts XPA-3 Center-surrounds
    Oppo 103

    Loving the new Family! :)

  7. #7

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    Quote Originally Posted by cyboman View Post
    I did swap them and it does sound the same..
    The same speaker produces that noise or the same channel?
    Full 5 channel set of Polk Audio
    Fronts - LSiM 705
    Center - LSiM 706c
    Sides - LSiM 703
    Mits WD-82842 82" DLP 3DTV
    Denon AVR-3313CI Receiver
    Emotiva stealth DC-1
    Emotiva XPA-2/Fronts XPA-3 Center-surrounds
    Oppo 103

    Loving the new Family! :)

  8. #8

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    Tried the one speaker alone? If its still doing it alone then i'd say the speaker is now bad. Wait for a better opinion though...
    Full 5 channel set of Polk Audio
    Fronts - LSiM 705
    Center - LSiM 706c
    Sides - LSiM 703
    Mits WD-82842 82" DLP 3DTV
    Denon AVR-3313CI Receiver
    Emotiva stealth DC-1
    Emotiva XPA-2/Fronts XPA-3 Center-surrounds
    Oppo 103

    Loving the new Family! :)

  9. #9

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    There is a guy selling a pair of LSi7s cheap in this forum http://www.polkaudio.com/forums/show...-Matching-LSIC if it comes down to replacing the speaker/parts.
    Full 5 channel set of Polk Audio
    Fronts - LSiM 705
    Center - LSiM 706c
    Sides - LSiM 703
    Mits WD-82842 82" DLP 3DTV
    Denon AVR-3313CI Receiver
    Emotiva stealth DC-1
    Emotiva XPA-2/Fronts XPA-3 Center-surrounds
    Oppo 103

    Loving the new Family! :)

  10. #10

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    Can I run an amp through the receiver through a subwoofer pre-out? There are two on the back of this receiver.

  11. #11

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    No, you can not use the sub out as a pre out. Your AVR has no pre outs. If you continue to run 4 ohm speakers on equipment designe for higher impedance speakers, on of 3 things will happen:

    1) you destroy speakers and/or cross overs

    2) you do serious damage to your AVR amp section-usually terminal

    3) Both 1 and 2

  12. #12

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    What were you using for power before buying the AVR?
    '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."

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