Question about Audio Players & Recorders
When I turn on my subwoofer, it works for a while just fine... then suddenly I get this very very loud buzz and it's so loud it makes us jump from our seats !!! I turn off the speaker for a few seconds, it "resets" works fine again, and then unexpectantly the buzz hits again... Very annoying and LOUD !! Any suggestions??
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Posted on Jan 02, 2017
SOURCE: subwoofer noise
You didn't say is your sub active or passive.If its active first check signal cables from theater system,power line of the sub, it has to be the same phase as the system.If its passive take a voltmeter disconnect the sub from the system and measure for DC voltage on the SUB output on the system when its OFF.If DC voltage is present your amp is damaged.It can also be that the preamp circuit for the sub doesn't mute the input when unit is on stand by and you hear frequency of your power supply (50-60Hz) on the sub
Posted on Mar 10, 2008
yes. A good idea. Kill power to the sub, then unplug and remove everything from the sub. go ahead and plug it in again and check for buzzzz.
That is test one. if you have buzz still, its the sub assembly. bad luck, but not impossible. If the buzz is gone its one of the signals to the sub. They can produce a buzzz without any signal coming from your stereo equipment. Replace the feed line, enjoy! BTW...Kef sure does sound clean. good choice.
Posted on Nov 09, 2009
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