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Background noise

Hello folks. I have a Shindo Monbrison, a wonderful preamplifier, with a wonderful phono section. That said, I noticed a fairly high level of background noise when I turn up the volume without playing music (and this doesn't change by unplugging the interconnects). When the volume control is at its maximum level, you even listen to a little whistle.

Is it normal for a tube preamp or do you think there is a tube problem or another issue? I never experienced this problem in the past, but I've always used SS phono sections.

thanks.
ggavetti
tvad
9,467 posts
 
Background noise is normal with tube gear.

Your definition of "fairly high level" of background noise could be skewed by your experience with SS.

Or, you could have a problem.

It's hard to judge based on your description.
chadnliz's avatar
chadnliz
3,736 posts
 
Sounds normal but I agree with Tvad, hard to tell based solely on info given. Do you notice any difference between other inputs and Phono or is it all the same result?
ggavetti OP
141 posts
 
there is no noise I can hear from the other inputs, even at maximum volume levels. Just to give you a better sense of the loudness of the noise, I just set it at the maximum level, stepped out of my listening room, moved to another room that is approximately 8 meters away from the listening room, and could still hear it.

BTW, I bought the Monbrison 3 months ago from someone who bought it in October. Called Shindo and they told me that the warranty is not transferable...weird policy for a luxury product, if you care about keeping your customers. That said, the Monbrison is just wonderful
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