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Interconnects, speaker wire, power cords. Ask the Cable Guys.

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Need some expert help with coax cable project

Posted by mr.bear on June 16, 2017 at 14:52:51:

Via the secret BearNet, a few nice RCA interconnects have arrived at the Cave- a trio originally intended for "component" video service. The construction is ~6% silver center conductor and silver foil / silver plated braided shield, and silver-plated RCA's already attached. (Audioquest YIQ-3 IIRC). The sound is quite good in my system. I am committed to use these for stereo interconnects.

The issue is this: I painstakingly removed the braid and PVC outer jacket (it tightly covered all 3 cables) to separate the 3 cables. That left the cables wrapped together with some dry, papery, white plastic stuff and under that, each shield is wrapped with a thin transparent plastic insulating scrim (photo). I need to add an outer jacket.

Is anyone conversant with the effect of the outer jacket on cable performance? I assume it's there 99% to insulate and protect the shield from damage. By careful handling and minimal disturbance over time plus protection from environmental exposure, that will be minimised.

I was thinking of wrapping the individual shields in Teflon plumber's tape and Tech-Flex's tightest-woven braid over each, and a binding the ends with a little heat-shrink. That should provide adequate insulation and protection. The material of the braid is PET- Polyethylene Terephthalate.

I'd greatly value your experience with coaxial cable jacket material, particularly if you have determined that there are meaningful audible effects.

Do I want to put a small drain wire in the new jacket somehow?