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EQUIPMENT FORUMS >> MINI TORII >> High pitched whine
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Message started by roggae on 06/09/12 at 18:24:07

Title: High pitched whine
Post by roggae on 06/09/12 at 18:24:07

My MT has started making a very high pitched whine. It sounds like its coming from the tubes. Ive had tubes buzz and hum before but this is much higher frquency. Just trying to troubleshoot.

Title: Re: High pitched whine
Post by Rivieraranch on 06/09/12 at 19:20:32

Start changing tubes I guess. You may wish to start with the inputs and then the rectifiers.

Title: Re: High pitched whine
Post by roggae on 06/09/12 at 21:39:14

Shortly after posting this i flicked the tubes. Left channel rectifier was vibrating. Problem solved..

Title: Re: High pitched whine
Post by hifitubes on 06/13/12 at 05:09:10

I always thought is was the OC2 whining with that high pitch. I think I added dampers, but I can't remember if that solved it.