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strdb930 amp

[Deleted User][Deleted User] Posts: 22
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in TV and Home Entertainment Technology #1
ok ok i went mad an bought a strdb930 amp it is pukka except for 1 small thing it hums though all speakers when switched on.. has any one else come across this in their travels and if so do they know why i am only asking because it is a mre to unplug it all stuff it on the bus with me to the dealer i got it from please please help me ;)

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    [Deleted User][Deleted User] Posts: 43
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    #2
    Check that you have no other device nearby which may be "transmitting". I found a DECT cordless phone basestation was causing problems form the mains supply. Once I moved it everything was OK
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