Home Tweakers' Asylum

Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

magnetostriction

One way to reduce noise from this source is to remove any steel upper top which is close to the transformer. On occasions I had simply cut a circular hole or replace the top with an aluminium shield.

Isolating the transformer mechanically rarely works.

In 50Hz countries, US made transformers are often poor whilst Japanese source ones are almost always fine. It is down to the design.



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