Musical Fidelity P270 Humming noise! - diyAudio
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Old 5th February 2010, 08:52 AM   #1
diyAudio Member
Join Date: Feb 2010
Default Musical Fidelity P270 Humming noise!

Hi dear Members,

My Power Amp MF P270 has a humming noise continously for sure originated in two transformers. As a real ameteur in electronics i do appreciate any idea to silence this trouble. Thanks.
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Old 5th February 2010, 10:44 AM   #2
jaycee is offline jaycee  United Kingdom
diyAudio Member
Join Date: Apr 2004
Location: Norwich, UK
Make sure the bolts holding the transformers down are not loose, but don't overtighten them.

This could be a mains supply problem (DC offset) in which case you would need a line conditioner.
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