Question about Creative Labs Creative SBS450 4.1 Black Speaker System RetailFree UPS Ground Shipping Computer Speakers
After a lightning strike my powered sub started 'humming'
Plz make sure that all your components are on same 110 ac outlet. Ground loop is the most common couse of Humming on sub woofer. try disconnecting one component at a time till hum disappears.
I am 100% its a grounding problem due to the lighting hit.
Posted on Dec 28, 2008
I have a Sansui Subwoofer and the problem that i am connecting it to the dvd and all the speakers but the sound coming out is very loooooooooowww, what will be the problem
Posted on Feb 22, 2008
The input filter capacitor of ur sub may be damaged,the possibility is upto 99%.u can identify the capacitor easily as it will be the the larger capacitor in that board and is located near the power supply entrance.the component costs within a dollar
Posted on Mar 30, 2007
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Posted on Jan 02, 2017
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Register and download the manuals for free at retrevo.com
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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