Question about Yamaha YST-SW150 Speaker
I have a Yamaha SW150 subwoofer that makes a rumbling noise. Any suggestions on what it can be or how to repair it?
Hi, is it a humming noise ??? check if the connector is plugged in properly,check the earthing, if its a three pin mains plug, if its a two pin, then the CPU SMPShave a proper eathing. let me know
Posted on Jan 12, 2008
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Posted on Jan 02, 2017
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See page E1 regarding placement and safety.
Page 44 - read about "humming".
If you have hum on the sub, is it there with and/or without the input cable attached?
Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.
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