[sdiy] shielding question

[Dave Kendall]

On Jun 29, 2010, at 16:07, David Moylan wrote:

> Andre Majorel wrote:
>> On 2010-06-28 13:30 -0400, Harry Bissell wrote:
>>> Try Mumetal shielding. Best is to make a complete turn around
>>> the power transformer, if possible. DON'T get it too close or it
>>> will get VERY hot (if there is a lot of flux leakage)
>>>
> I wanted to site my Nord G2 on top of my Pianet for my stage setup, 
> and the noise was horrible.  The Pianet is full of pickups.  I 
> shielded the inside of the Pianet with Mumetal on the underside of the 
> top and the sides, bottom has a big metal plate so I couldn't add 
> anything there.

I have the same problem with a rhodes MK1 and a Kurzweil K2000. I'll 
have to try shielding - both guitarists in the band can't go anywhere 
near the K2000 with single-coil pickups without nasty hum....

>
> It's not cheap and there's still a little hum but it worked well 
> enough to be usable.

David -what thickness of Mu-metal did you use? - the rhodes weighs a 
ton anyway, so the thinner the better, (as long as it's effective.....)

cheers,
Dave



>
> Dave
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>