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In Reply to: Crown Xti-2000 Hum posted by tony3d on January 2, 2007 at 17:06:59:
It's probably a ground loop and probably caused by mixing balanced and unbalanced connections. This should help:
I found the ground loop problem! It was the cable box which goes into my 62" tv then the tv goes to my Crown IC-150. Pull those off the Crown and the buzz and hum are gone. I bought the Rolls he18 hum reducer and hooked it up between the tv out and Crown IC-150 and that took care of the hum in my system and doesn't effect the rest of the system. Sounds great plus I can't get the amp hot enough to run the fans. I'm very happy so far. I have no hum or buzz the amp is very quite. My question is why don't more people buy these pro-amps for home stereo's? This is a very clean powerful amp for $699.00. You would pay at least $1800.00 for half the power in a consumer amp. I'll never look back. I will admit the sound is a bit more analytical the best way I can describe it. I'll never run out of headroom. I have to laugh when I hear people talk about how harsh these pro amps are, I sure don't find them harsh at all.
...to my Crown IC-150Ever tried a different preamp?
rw
I have made the same move recently going from a "home" amp (Adcom, Arcam) to a pro amp (Qsc). Yes the added power makes a hugef difference. It's awsome. What speakers do you have?
I have Magenepan.
