Reply To: Beolab 4000 switching itself on

Ray Dahr
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Thank you for your reply. My speaker has the white foam, there is no visible deterioration of foam or boards.

There is no problem switching it on. Quite the opposite, the problem is that it constantly switches itself on while in standby, with or without an audio signal, with or without an audio cable plugged in. It makes an annoying hum after it switches itself on.