On Tue, 18 Mar 2014 10:26:00 -0700, William Sommerwerck
wrote:

"amdx" wrote in message ...
I would like to build about 5 cables for now. I might just try
some microphone cable, then check to see if I can induce
noise or generate any piezo voltage.

Most cable dielectrics generate piezo voltages.


Don't know about piezo, but tribo-electric effect is the bane of cable
manufacturers.