NAP90 hummmmmmmmm

[GadgetMan]

Checking the mounts is worth a check, after that, have a read here for other possibilities

A Starting Guide to Naim Hum/Buzz

This subject seems to come up very often here, so having the issue myself, and after a lot of reading, I thought it might be useful to have a simplified starting place to visit for these issues, bringing as many of the different causes mentioned in this Forum together. There are many more detailed items on this forum that you can then lookup specific areas. Here we are referring to Hum/Buzz from the Naim PSU/Amp units themselves, and NOT Hum through the speaker (which could be more related to a…