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Thread: My JBL sub is dead

  1. #1
    Thornton Davis
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    My JBL sub is dead

    I have a JBL ARC SUB 8 that I bought new approximately 8 years ago. It's been well taken care of and never abused.

    It's connected to my receiver by a standard sub cable to the sub out in the receiver. The receiver its self is only a couple of years old. Its a Panasonic SA-HE100.

    Some time ago, the sub started to cut out. When it did it would making a popping sound. This became quite regular.

    Unfortunately, now it makes no sound because it doesn't work . I do not believe it's the receiver.

    The sub powers up fine. I've checked it over but can't find anything wrong with it.

    Any suggestions?

    Many thanks in advance.

    TD

  2. #2
    RIP 2014 Ken Pachkowsky's Avatar
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    Gently push in (EVENLY) from both sides of the front of the cone. I suspect there will be no movement. If it moves in and out but makes a rubbing sound the results are the same as if it does not move. It's toast and needs a recone. A pop/slapping sound in a cone transducer always makes the blood run cold.

    Hope it helps.

  3. #3
    Thornton Davis
    Guest
    Thanks for this. As I was checking the speaker, I thought that I would double check my connections.

    The connection into the sub was fine, but I noticed that the connection to the receiver looked a bit suspicous. The receiver is in a ackward location and difficult to access the back of. Upon further investigation in fact the connection to the receiver had worked itself out.

    I pushed the cable into the sub out RCA port and before I could say "while i'll be a monkey's uncle", it was fixed pumping out lots of solid bass.

    Problem solved.

    Cheers,

    TD

  4. #4
    RIP 2014 Ken Pachkowsky's Avatar
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    Thats good news. I forgot, always check the obvious first!

  5. #5
    RIP 2011 Zilch's Avatar
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    ARC SUB 8 is a nice little powered sub.

    I've got 'em on two TV's here. Just enough.

    The smaller PS60, I think it is, is on another one in the office. It's obviously EQ'd, but, "So what?" It ain't home theater, just a little extra pleasure.

    They both regularly appear on eBay at VERY resonable prices....

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