[sdiy] Noisy transformers and faraday cages

[John Mahoney]

At 12:20 PM 5/10/2007, Altitude wrote:

>I am wrapping up my 9090 drum synth and am wondering what would be the best
>way to provide some shielding to my fairly electrically noisy transformer
>(Hammond 30V CT @ 500mA).  The way the outputs are set up is that there is
>no real way to avoid running audio leads by the transformer and the noise
>goes down when the I move the leads away (the primary side is the worse) and
>I am using shielded audio cable.  Would putting up a mesh or steel box
>around the transformer help in reigning in the noise? Any other
>recommendations?
>
>Cheers,
>Raph


Mu metal?
--
john


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