Sub woofer gives Excessive boomy sounds at high volume - AVS Forum
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post #1 of 5 Old 04-05-2014, 03:26 PM - Thread Starter
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I have Denon Power Amplifier and Pre Amplifier both are stereo. power amplifier has one sub woofer out that i connect to Sony SA-W305G 45 watts subwoofer. my system output 50 + 50 w 6 Ohms impedance. I have decent pair of speakers(20-200W) that sounds good. when i hook up sub it works fine at low level voloume, but when it comes to high volume subwoofer produces dull  excessive boomy bass 'boh' sound that seems cannot handle volume. but when i reduce cut of freq and level control to lovel posotion bass boom eliminates. Is this normal? somthing wrong with subwoofer?..sub is not power enough for my system or what is the ideal set for music?..experts give advices plzzzz

NOTE:

sub has 3 controls Cut of freq(50-200Hz), Level and Phase. Sugges me Ideal cut of freq/Level and phase control. I dont want to go sub control every time i increase/decrease volume..annoying.

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post #2 of 5 Old 04-05-2014, 03:36 PM
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You probably have a ground loop. Do a search, this topic comes up at least every other day.

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post #3 of 5 Old 04-05-2014, 03:46 PM - Thread Starter
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ground loop?..what that means?..sory.i have no clue. some links plzzz..it's actually not hum..but when i increase volume sub gives "boh" sound..

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post #4 of 5 Old 04-06-2014, 12:02 PM
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Assuming the crossover is set correctly, you might try putting the subwoofer up on some kind of small plastic feet which might reduce some of the boominess.

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post #5 of 5 Old 04-06-2014, 01:05 PM
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Quote:
Originally Posted by Bndck View Post

ground loop?..what that means?..sory.i have no clue. some links plzzz..it's actually not hum..but when i increase volume sub gives "boh" sound..

Google is wonderful for discovering meaning and links. For example, http://www.audioholics.com/home-theater-connection/ground-loops-eliminating-system-hum-and-buzz

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