Question about Boston Acoustics XB6 Speaker

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Emits a loud hum or rumble sound.

My Boston XB6 subwwofer emits a loud rumble sound regardless if it is connected to the receiver.

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This problem is usually because of grounding.

If you look at the power lead, you will notice it is the regular "kettle plug" shape, but it only has two pins (live and neutral). There is no earth connector.

You have to ground the sub to your receiver. This is done by running a RCA connector connected to one of the unused connections to the amp.

However, this doesnt ALWAYS solve your problem. As in my case. I have a Pioneer 7.1 receiver, which is ALSO not grounded. so running a spare RCA cable has no effect. What I have done is wired a RCA connecter to a copper cable and connected the other end to the Earth pin on a 3 prong plug. This is plugged in to a wall socket, thus grounding the sub.

It's not a solution the manufacturer will suggest, but it seems to work for me.

Posted on Jan 06, 2009

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