Reply To: One SL speaker not working

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    Can you turn up the bias, and do your hear the crackles? If not, likely the bias circuit went and needs to be replaced.

    Switching backplates is dead on for a suggestion. If it follows the backplate, you know what went wrong.

    I have a pair of M645s that are coming up on two years old, and this concerns me every time I use the speakers.

    Frustrating that a speaker company that is four decades old and charges this much has this problem.

    I’ve heard this happen to other people.

    I can buy a pair of MLS from Best Buy that last 10 years.

    Two years for a backplate is pretty poor.

    Please let us know what you find out.

    Good luck.