LSi15 tweeter not working

Blindsay
Blindsay Posts: 58
edited March 2013 in Troubleshooting
One of my monoblock amps (emotive UPA-1) decided to blow up and now the tweeter on one my lSi15's is no longer working. The speaker is under warranty but I was just curious about a couple things since I cant get in touch with polk over the weekend. It is only the tweeter, the rest of the drivers are working.

1. Do you think it is likely the tweeter itself or the crossover?

2. is there any sort of fuse that it could be?

3. any idea if polk will send me a replacement tweeter as these things are a pain to ship/bring to a service center
Post edited by Blindsay on
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Comments

  • Face
    Face Posts: 14,340
    edited February 2013
    Swap tweeters from one speaker to the other to determine if it's the driver or crossover.

    I believe this is the second time recently that an Emo amp had a malfunction and damaged Polk speakers...
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
  • tonyb
    tonyb Posts: 32,962
    edited February 2013
    The amp just blew up ? How so ?
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  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    tonyb wrote: »
    The amp just blew up ? How so ?

    By blew up I mean it smells like that nasty burning electronics smell and killed the tweeter on my lsi15 in the process
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    The speaker is under warranty

    You can't expect Polk to fix your speaker under warranty when the damage was caused by your amp. I mean, it's not like the speaker was defective.
    I believe this is the second time recently that an Emo amp had a malfunction and damaged Polk speakers...

    Yep, how 'bout that.
    Political Correctness'.........defined

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  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    You can't expect Polk to fix your speaker under warranty when the damage was caused by your amp. I mean, it's not like the speaker was defective.



    Yep, how 'bout that.

    well to be honest, while that's my theory there is no way to know for sure which one is the culprit, maybe something shorted inside of the speaker and then killed the amp

    edit: and on a side note, I cant believe these speakers are not fused
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    Blindsay wrote: »
    well to be honest, while that's my theory there is no way to know for sure which one is the culprit, maybe something shorted inside of the speaker and then killed the amp

    Not a snowballs chance in hell it was the speaker.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Face
    Face Posts: 14,340
    edited February 2013
    Blindsay wrote: »
    edit: and on a side note, I cant believe these speakers are not fused
    Only PA speakers are fused nowadays.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    Not a snowballs chance in hell it was the speaker.

    if the tweeter died/dropped out of the loop how would that effect the impedance of the speaker? would it cause it to drop even lower than 4 ohms?

    and to be quite frank you don't know what happened (and neither do I for sure) so that's a pretty bold statement
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    It's not a bold statement when one understands how these things work, which obviously you don't.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    It's not a bold statement when one understands how these things work, which obviously you don't.

    yes and im sure you will give me a million reason why you think you do.... if you are not going to be helpful why don't you just go bother someone else
  • Face
    Face Posts: 14,340
    edited February 2013
    Testing the speaker's binding posts with a LCR meter won't tell you what happened. Did you swap tweeters yet?
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    I am being helpful, it's just not what you want to hear. Good luck in life, you're going to need it.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    Face wrote: »
    Testing the speaker's binding posts with a LCR meter won't tell you what happened. Did you swap tweeters yet?

    not yet, going to do that shortly, at least that will tell me if it is the tweeter itself or the crossover.

    Thanks
  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    I am being helpful, it's just not what you want to hear. Good luck in life, you're going to need it.

    perhaps you should go look up the definition of helpful because I think you have it confused with useless. You have done nothing helpful in this thread.
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    You have done nothing helpful in this thread.

    Sure I did. I told you that you shouldn't expect Polk to fix your speaker under warranty because your amp caused the problem. Now, I could tell you how to remove the tweeter and the crossover and what to check, but because of your attitude, that isn't going to happen. All of that doesn't change the fact that your amp caused the damage, so deal with it.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    Sure I did. I told you that you shouldn't expect Polk to fix your speaker under warranty because your amp caused the problem. Now, I could tell you how to remove the tweeter and the crossover and what to check, but because of your attitude, that isn't going to happen. All of that doesn't change the fact that your amp caused the damage, so deal with it.

    gee well good thing I don't need you to tell me how to do any of that...
  • [Deleted User]
    [Deleted User] Posts: 7,658
    edited February 2013
    I've sent you a PM, Blindsay.
  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    small update: both the crossover and the tweeter are shot on the left channel
  • [Deleted User]
    [Deleted User] Posts: 7,658
    edited February 2013
    No problem, Polk will take care of you, you're in good hands (to borrow a phrase).
  • brgman
    brgman Posts: 2,859
    edited February 2013
    Is Emotiva replacing the monoblock?
    They should cover the cost of the Polk damage as well since it was their equipment that fried it.
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  • Face
    Face Posts: 14,340
    edited February 2013
    If this thread was started at the Emotiva forum, his thread would probably be deleted. Although it wasn't their fault, it's nice of Polk for stepping to the plate and helping a guy out.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    Face wrote: »
    If this thread was started at the Emotiva forum, his thread would probably be deleted. Although it wasn't their fault, it's nice of Polk for stepping to the plate and helping a guy out.

    well lets wait till I actually have the replacement parts haha
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    No problem, Polk will take care of you, you're in good hands (to borrow a phrase).

    I didn't want to tell him that because he'll think Polk is covering it under warranty when in fact Polk is doing what they always do, taking care of their customers. Wonder what emo will do.....
    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 t-u-r-d by the clean end."


    President of Club Polk

  • BlueFox
    BlueFox Posts: 15,251
    edited February 2013
    Blindsay wrote: »
    By blew up I mean it smells like that nasty burning electronics smell and killed the tweeter on my lsi15 in the process

    Are these amps missing protection circuitry that will disconnect the amp at the slightest hint of trouble?
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  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    I didn't want to tell him that because he'll think Polk is covering it under warranty when in fact Polk is doing what they always do, taking care of their customers. Wonder what emo will do.....

    just go away dude, you are just causing problems
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    Telling it like it is, is not a problem. Your amp damaged your speaker and thinking the speaker should be fixed under warranty regardless of the reason is a problem, your problem.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Blindsay
    Blindsay Posts: 58
    edited February 2013
    F1nut wrote: »
    Telling it like it is, is not a problem. Your amp damaged your speaker and thinking the speaker should be fixed under warranty regardless of the reason is a problem, your problem.

    you admit in your post that what you told me from the very beginning is not correct, and to be honest its not even your call so go bother someone else and further it is going to get fixed so your argument is stupid anyways
  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    Your reading comprehension is as bad as your understanding of a warranty. You're expecting Polk to fix your speaker under warranty and I told you you should not expect that since your amp caused the damage. If Polk repairs your speaker it is not because it's under warranty, it's because they choose to. There is a big difference. Therefore, I put forth that it is not my comments on the subject matter that are stupid. What is stupid is your expectation that your speaker should be repaired for free solely because it's under warranty.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • F1nut
    F1nut Posts: 50,546
    edited February 2013
    This is Polk's warranty....
    This warranty does not include service or parts to repair damage caused by accident, disaster, misuse, abuse, negligence, inadequate packing or shipping procedures, commercial use, voltage inputs in excess of the rated maximum of the unit, cosmetic appearance of cabinetry not directly attributable to defect in materials or workmanship, or service, repair, or modification of the Product which has not been authorized or approved by Polk Audio. This warranty shall terminate if the Serial number on the Product has been removed, tampered with or defaced.

    Since your amp sent excessive DC voltage to your speaker the part in bold would apply to your situation.
    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 t-u-r-d by the clean end."


    President of Club Polk

  • Face
    Face Posts: 14,340
    edited February 2013
    F1nut is correct.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche