Loose wrapping of the wire inside the transformer. It comes up now and then.
The usual solution is to replace the transformer -- that's the big block-like
thing with yellow tape around the middle.
Or just for fun, you might try this experiment (I've been thinking of trying it,
but noisy transformers are getting pretty rare....) -- thin some white school
glue a bit and squirt it into the windings under the tape and let it dry. I
wouldn't use a solvent-based glue since it might dissolve the insulation of the
windings -- OK, electrical-types, is that a valid concern/suggestion?
Mike Ferguson wrote:
> Acquired a second T32 today, and now realise that my original was VERY noisy
> when charging - it's like a jet liner taking off compared to the new one
> (and my T20).
>
> Any ideas what that's all about?
>
> Thanks
>
> Mike
>
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