[sdiy] Noisy transformers and faraday cages

[harrybissell at copper.net]

It could be in a separate box. Mu Metal is MUCH
better than ordinary steel. If you could get an IROB box
that would work well.  Or very heavy gauge steel (maybe 12ga. ?)

It really depends on how low you need the noise floor...

H^) harry

>
>
>---- Original Message ----
>From: alan.p at orcon.net.nz
>To: synth-diy at dropmix.xs4all.nl
>Subject: RE: [sdiy] Noisy transformers and faraday cages
>Date: Sat, 12 May 2007 09:08:29 +1200
>
>>At 04:44 a.m. 12/05/2007, you wrote:
>>>They need a complete path. Mu-Metal gives the escaped flux a
>>>perferred path to follow, rather than through your wiring.
>>>A box over the top will have limited value.
>>
>>Is there any reason why the transformer can't be in it's own little
>steel 
>>box, separate to the main case?
>>
>>Mains power cord -> xfrmr box -> post-xfrmr-cord -> synth-case ->
>synth psu 
>>unit
>>
>>>H^) harry
>>
>>--
>>Alan Podjursky                  ICQ 24423014
>>"Yay, evil evil! Happy torture!" -- Gwyneth
>>"When in doubt, use brute force." -- Ken Thompson
>>http://www.fanfiction.net/~mercva 
>>
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