Hi The lab 3's are 2 years old and the BS9000 is a mk1 1998 (upgraded mk3 drive and chip-NUMUSIC etc) just had a full service by B&O. The set up is new to me as the lab's were part of another system before which included the BC2 (rear speakers that weren't being used). I had Bosscom cables first of all but have now changed these for

Sorry I forgot to sell hello (newbe) !!!!

Hello all. I have a problem with the following set up and wondering if anyone can help. BS9000 with a pair of beolab 3's running with B&O PL cable (not bosscom). When the power is switched on the system and the speakers there is an annoying high pitched humming noise that I can't resolve. The noise is present all the time even when the music