home › Forums › General Discussion › Agony of choice U1 or M1 PX › Reply To: Agony of choice U1 or M1 PX
January 26, 2023 at 5:52 pm #1330
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???