Powered speaker: Sound decays in 2 seconds

argonrepublic · 30th September 2011, 05:48 PM

I have a Behringer eurolive powered speaker B205. I connect a source and turn on. I heard sound that attenuates to Nil in about 2 full seconds. What are main causes of this sort of problem?

Enzo · 30th September 2011, 11:29 PM

Probably som point in the signal path is floating and charges up to some DC voltage that squeezes off its ability to pass signal.

I would use all the various jacks, inputs, outputs to see if we can determine which parts of the system still work, and which do not.

Inside I would start with a check of operating voltages - any missing? Then I would check the output pins of any IC for unwanted DC.

30th September 2011, 05:48 PM	#1
argonrepublic diyAudio Member Join Date: Apr 2005 Location: Simcoe Ont	Powered speaker: Sound decays in 2 seconds I have a Behringer eurolive powered speaker B205. I connect a source and turn on. I heard sound that attenuates to Nil in about 2 full seconds. What are main causes of this sort of problem?

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30th September 2011, 11:29 PM	#2
Enzo diyAudio Member Join Date: Sep 2004 Location: Lansing, Michigan	Probably som point in the signal path is floating and charges up to some DC voltage that squeezes off its ability to pass signal. I would use all the various jacks, inputs, outputs to see if we can determine which parts of the system still work, and which do not. Inside I would start with a check of operating voltages - any missing? Then I would check the output pins of any IC for unwanted DC.

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