Yes it is free. Not sure about other sources. It seems to be coming through the needle but the actual sound reproduction is very clear, it's just the rumble in the background that is the problem. Richard

The Beocenter is level and the rumble is audible only through the speakers. Richard

Thanks, Martin. Good thinking but I have done this. Richard

I have had my Beocenter 7700 since around 1985 and about 5 years ago had it fully serviced but I have not used it much since. The tape and radio are working fine and the sound quality of records seems to be as good as ever. However, behind the reproduction there is quite an intrusive rumble; I have altered the weighting of the arm and position of the