Hi Dieter and group

In English is know as mu-metal, and very expensive, you can get some
of them here:
http://www.lessemf.com/

Best Regards,

Josue.

On Tue, 29 Mar 2005 13:09:01 +0200, Dieter Doepfer < hardware@... > wrote:
>
> > also, i'm curious if anyone has attempted to sheild the reverb unit
> > perhaps covering it in tin foil, and attaching a ground from the
> > transformer or bus board to the foil
>
> We have built a shield (before the PSUII) made of 1 mm steel that covered
> the spring system completely but it did not help very much. The problem is
> the magnetic shielding not the electrical shielding. A simple foil will not
> help from our experience. The only material I know that can be used for
> magnetic shielding is u-metal (the greek u). I don't know if the same term
> is used in English language. But this material is very expensive and hard to
> find.
>
> We show the A-199 in a suitcase with PSUII in Frankfurt. I will tell you the
> results after the fair.
>
> Best wishes
> Dieter Doepfer
>
>
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