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Old 29th July 2012, 03:45 PM   #11
barrymagrec is offline barrymagrec
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Do they specifically state mu metal? If so I am very suprised.
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Old 29th July 2012, 04:51 PM   #12
jacco vermeulen is offline jacco vermeulen  Netherlands
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From most of the RG integrated models to the $20k monaural power amps.
http://www.symphonic-line.de/0501_sy...rstaerker.html

Skin depth of Mu metal at 50-60Hz makes foil useless, thickest i have is 0.1mm
A can in Mu metal with 0.5-1.0mm wall thickness for a 300VA size does ~$150, cheaper options.
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Last edited by jacco vermeulen; 29th July 2012 at 04:54 PM.
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Old 29th July 2012, 05:58 PM   #13
astrouk1 is offline astrouk1  United Kingdom
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That's very interesting, $150 is quite reasonable. I couldn't find a list of sizes on his website. Is this something you contact him directly for?

The aluminium is 5mm, I have Ultraperm 80 sheets of Mumetal. I'll put them on anyway as it's a nicer finish than the alu alone.

I also notice the on the photo you posted the only openings are at the base (regarding ventilation).
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