Recent content by lewisblack

Okay, think I have found the problem - not resolved yet, but I know what is causing the hum - YAY! I won't bore you with all the details but it appears to be the cable box that is causing the hum. With the cable box disconnected, no more hum. I will be getting onto my cable provider (Shaw) to...

Thanks for the response. But the sub only has a 2 prong AC cord. It is plugged into a separate outlet from the rest on the equipment which is plugged into a surge protected power bar. As I understand the audio isolator would only correct this problem if the issue was a ground loop, which ir...

I have just bought a Kef Kube10b subwoofer which is attached to a Yamaha 7.1 RXV671 receiver / amp. I have Kef front, centre and surround speakers. My previous old Pinnacle subwoofer gave up the ghost and blows the 1amp slow fuse when plugged into power. Anyway, the Kef sub hums but only when...