2. amps-preamps
  3. 136841-97064

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

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stereo5
6,524 posts
 
@scorpio1951...………………………

I have the C2500 preamp  with the stock tubes.  A lot of the Mac guys are telling me the Gold Lion tubes are the best for the preamp.  You seem to really like the Telefunkens though.  Are they that good?  I had bought a pair of Telefunkens from Upscale for a Rogue preamp and they were noisy and that was their Platinum grade.  I sent them back and tried 2 more, but they were even noisier.
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