What's that thin little coax called RG-179, or such? about the size of
18Awg wire, put two together [they have insulation on the outside] using tacky glue, then add a sleeve of cheap metal brading. Often made such 'custom' cables, work fine. You're not going into Production, right? Just for your own needs.
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. Still in the market for the right cable though. Mikek
Most cable dielectrics generate piezo voltages.
Ok, see if I can generate a not unreasonable amount of piezo electricity. Mikek
All you have to do is attach the cable to a mic input, then strike the cable against the edge of a table. Or hit it with a hammer. Almost any zetz will do.
The first time I heard this was from the cables on a moving-coil transformer. I was really surprised. I knew of piezoelectricity, but didn't know that cable dielectrics could generate it.
I guess the point is some cable generates less piezoelectricity than others. I would want less. Mikek
Don't know about piezo, but tribo-electric effect is the bane of cable manufacturers.
this
I wouldn't think so. Most twinax i have dealt with did not have shields on the inner conductors. Check vendors for twinax structure. This would be a specialty instrument cable.
?-)
I called Belden, I was told, they don't make this type of cable. Mikek
I searched for the same thing a few years back to make my own custom RCA au dio connectors for my Car system when I was Competing, The best thing I cou ld find was high grade Microphone wire, back then it was cheap but this was 10 or more years ago. They make a number of styles and types, wire gauges jacket thickness. Go to a good Music store or Electronics shop like a Recla mation center or similar store to get the best deal. You won't have the cho ices but you will pay much less than a Music Center.
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