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McIntosh C2300 noise

I’ve recently noticed that there is a buzz in the phono section of my c2300. I bought this used from a dealer and they are are helping me root cause the issue. I thought i’d share here in the mean time. The buzz usually goes up with volume. Not only does the buzz go up with volume - the meters show some gain as well. This happens with no source attached. I moved the C2300 to a different part of the home with no source or amp attached whatsoever - turning up the volume knob jumps the meters.  Is this normal?

https://www.youtube.com/watch?v=vH9hYnTN-iw&feature=youtu.be
pistha

Showing 1 response by oddiofyl

oddiofyl's avatar
oddiofyl
4,065 posts
 
Ok. I’m just throwing this out there.  A while back I noticed a buzz , often intermittent but sometimes steady that I had a difficult time pinpointing because I didn’t know if it was the pre or the amp.  

I traced it it down to the amp but it wasn’t the amp at all.   It was a Glade Plug In air freshener.  Removed it from the next room and my noise disappeared 

good luck. 
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