dog whistle like noise from dac?(static?)
Jan 3, 2013 at 12:52 AM Thread Starter Post #1 of 3

jonny564

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   Randomly i will get a feint high pitched sound coming out of my headphones that slowly gets quieter and quieter until it goes away. Almost sounds like a cartoon bomb falling(minus the explosion) it happens alot with youtube and mog after pausing or turning down the volume on a video or song for some reason. Im hoping its just static/interference from my PC. Anyone have this issue?  Pc-Bifrost(toslink)-Project Sunrise II-He-500
 
Jan 4, 2013 at 5:19 PM Post #2 of 3

NA Blur

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It sounds like the Tubes warming up.  With a tube amp you can expect some noise like this especially if the amp has been off / inactive for a while.
 
It could also be bad tubes or bad caps so keep an eye out if it gets worse you may need to do some fixing.
 

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