Question about KEF Audio PSW 3000 Subwoofer

HUM noise at PSW3000 if i connect the Yamaha RX-V995

Iam using the PSW3000 with the Yamaha RX-V995 home theater system. While i connect the Audio input cable to the sub woofer, its creating the HUM noise in the Sub woofer and other speakers at Home Theater also. If i switch off the power at SUB, the noise is avilable. But if i remove the sub woofer power card, then its stopped. Please let me know why? I checked the 230V AC power ground also. To the ground to Netural its shows less than 6V.

Vinston from India.

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396 Answers

The conections some where are dirty you need to unplug everything clean all connections and the hum will go away

Posted on Nov 06, 2009

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