Hi Tin's KayN and IPC-LF Listservers,

It has been a long time since I studied wire yet I bet that
for most wires we buy, the electrical properties are the same
in both directions. In Handbooks they usually note annealed
or commercially annealed which to me means a process after
drawing to reduce/remove manufacturing stresses. It primarily
makes the wire more ductile, bendable etc, and as I have sure
you have seen changes the micro structure.

In Fiber Optics another drawing process, there is no difference
that I have ever heard presented or discussed or specified.

Brian can comment if in the audio business anyone buys, specifies
and controls the manufacturing processing of wire. I doubt it.

I have a high end audio engineer I will ask the next time I see
him as well as specialty fiber engineers, scientists I see every
so often just in case I can learn something.

YiEngr, MA/NY DDave


<I expect there could well be anisotrophy in the wire caused by
extrusion/drawing direction. Directional processing would produce a
certain directional crystallographic texture in the microstructure. No
doubt this would affect mechanical properties although I don't know
about electrical properties...? >

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