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Thread: LSI25 thumping

  1. #1

    Member Sales Rating: (0)

    Join Date
    Mar 2003

    Unhappy LSI25 thumping

    Has anyone else had a problem with theirs? About 2 weeks ago the subwoofer in one of my LSI's started thumping like crazy. Unfortunately I was away and the cops had to come to knock down my door to turn them off! I've talked to a number of people about it. Some say it's the wiring (which it's not), and some believe it could be the sub amplifier. I was wondering if any of you have come across this problem, and if you've been able to resolve it.

  2. #2

    Member Sales Rating: (1)

    Join Date
    Mar 2002
    New York


    It's probably the sub amp. A blown transistor might cause a "motorboating" type response. I'm sure it's covered under warranty.

    "What we do in life echoes in eternity"

    Ed Mullen (
    Director - Technology and Customer Relations
    Specialty Technologies

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