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Buzzing noise.

Hi every one,
I have question about the buzzing noise from speakers .....!!!
As I just hooked up my system :
WILSON SHOPHIA 3 SPEAKES
PASS LABS X250.5 POWER AMP
MCINTOSH C50 PREAMP
OPPO 105D BLU-RAY/CD/APPLE TV
MIT SHOTGUN SPEAKERS CABLES "brand-new"
SHUNYATA STAIR/ANTARES XLR CONNECTION "brand-new"
SILNOTE POWER CABLE for all components "brand-new"
MONSTER AVS PRO 2000 power ..
I don't why when I turn on the power amp first then I hear the buzzing noise from speakers it was not loud but you can hear if your ears very closed next to speakers then I turn on the preamp next, the noise go away but you still can hear the buzzing just very little.!!!!.
Can you tell me what is that problem and what I have to do !!!!.
Or do I need more time to burn those cables ! Do I need to burn at least 50 hours ...then the sound will be improve and better as they are supposed to be right !
please let me know
thanks in advance
tanlv702

Showing 1 response by czarivey

czarivey
5,666 posts
 
Power amp must be turned on last. My power strip has 2 delayed outlets that I connect poweramp to. 
slight buzz not audible from distance is acceptable and less-likely you'll be able to do anything. 
i would try to use stock power cords instead of aftermarket and see if the noise level is lower and if it is, than i'd return aftermarket cords and either look for replacement ones or stop looking and enjoy the music.

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