Reply To: Agony of choice U1 or M1 PX

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January 26, 2023 at 5:52 pm #1330
Jazzdude99
Participant

    You might want to call the factory – if there’s an issue with the back plate I would suspect the bias supply which is an easy swap as opposed to the step up transformer.

    Sounds like it’s the same person selling both speakers???

    Good luck

    Andy