Hi Amo;
(Crown300): >>>...is the amp parallel with the Earths magnetic field at your location?...<<<
(Amo): >>>...That's a new one for me!...<<<
Me too!
>>>...Will a layer of u-metal nullify the effects of the earth?...<<<
If you mean mu metal alloy, yes. We used to use a mu-metal vacuum chamber for XPS work for exactly that reason. Electromag field coils could also be used around a test chamber to provide local cancellation (with CAREFUL adjustment), but they were a nuisance to work with. Never heard of mu-metal used in hifi, except as shielding for to prevent a trafo's mag field from interacting with the rest of the electronics.
All the best,
Morse
(Crown300): >>>...is the amp parallel with the Earths magnetic field at your location?...<<<
(Amo): >>>...That's a new one for me!...<<<
Me too!
>>>...Will a layer of u-metal nullify the effects of the earth?...<<<
If you mean mu metal alloy, yes. We used to use a mu-metal vacuum chamber for XPS work for exactly that reason. Electromag field coils could also be used around a test chamber to provide local cancellation (with CAREFUL adjustment), but they were a nuisance to work with. Never heard of mu-metal used in hifi, except as shielding for to prevent a trafo's mag field from interacting with the rest of the electronics.
All the best,
Morse
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