Chasing hum: Two great iPhone apps to isolate hum in your analog chain

LL21 · Jan 2, 2017

to block emi, rfi and magnetic...what does one use? aluminum, mu metal, copper...? Or all three?

And how do these compare with Stillpoints ERS paper which i thought was some kind of shield as well?

microstrip · Jan 2, 2017

LL21 said:
to block emi, rfi and magnetic...what does one use? aluminum, mu metal, copper...? Or all three?

And how do these compare with Stillpoints ERS paper which i thought was some kind of shield as well?

EMI is the general name to electromagnetic interference. Then you must choose what type and the bandwidth of what you want to block. There in no general answer unless you get the Maxwell equations ...

LL21 · Jan 2, 2017

microstrip said:
EMI is the general name to electromagnetic interference. Then you must choose what type and the bandwidth of what you want to block. There in no general answer unless you get the Maxwell equations ...

yikes...leave it to the professionals.

ack · Jan 2, 2017

DonH50 said:
Copper will not block magnetic fields. MuMetal will, at least to some extent. The materials serve different purposes.

Yeap; and they both work well in their own domains

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Chasing hum: Two great iPhone apps to isolate hum in your analog chain

LL21

Well-Known Member

microstrip

VIP/Donor

LL21

Well-Known Member

ack

VIP/Donor & WBF Founding Member

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