Replacing U406 dual fet with J201?

Frequently asked question on transistors: types, substitutions, how to test, use and misuse them.
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MPUMarko
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Post by MPUMarko »

Since I haven't found U406 or LSU406 at sensible cost I'm trying to replace them with something else. U406 is a dual FET. Can I just replace it wit two single FETs? Like J201 or some other single FET?
I'm making this preamp

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LSU406
http://www.micross.com/pdf/LS_Flyer_LSU406.pdf
J201
http://www.datasheetcatalog.org/datashe ... s/J201.pdf

Marko
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progkraut
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Post by progkraut »

Hi my Friend :)

want to build the same preamp...same problem here ;) you know this thread? http://prorecordingworkshop.lefora.com/ ... -the-u406/

any success in changing the transistor?
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