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In Reply to: Kimber speaker cable 'inflated' with a tube posted by Kamigo on January 15, 2007 at 04:20:13:
Hi Inmates,Sometimes we need to fish something through the inside of a braided or knitted sleeve or other tubing.
We use a big 6" or longer steel upholstery needle that has had the sharp point ground to a smooth rounded shape.
Then with a string tied on the needle we fish the needle through the inside by pulling it with a magnet on the outside of the braid or tubing. It helps to have the whole project laid flat and straight on the floor.
Then we pull the real thing we want through with the string.
It works great.
Kind regards,
Follow Ups:
Nice tip, and it's great to see that a manufacturer is willing to comment on the tweaking of their products.If you wouldn't mind, can you comment on why putting a core in seems to make a difference in performance? From the layman's perspective, it looks like a lot of companies go with some kind of core inside a braid (yourself, Shunyata, Synergystic, etc.), so there's got to be some reason why (other than making beefy looking cables ;) For those of us with no access to advanced or proprietary materials, would you agree that cotton is the way to go?
Hi Kamigo,The expanded core usually results in less magnetic interaction between the conductors, due to the near 90 degree crossing and the slighly larger spacing between the condutors.
Parallel capacitance is the most affected, it is lower.
Cotton rope would certainly work, although I don't know if it would prove to be optimal in all conditions. If you have a beach house the cotton would become somewhat conductive with absorption of salt air.
You might also try a small size of non-metallic flex (NMF conduit) it is the blue smurf tubing found in electrical suppliers. Home Depot also carries it.
Another possibility would be something like water ski tow rope, as this will not absorb moisture.
Kind regards,
Ray
Beach house...water ski rope...sounds like Ray needs a vacation somewhere warm :)Thanks again, Mr. Kimber, it's very decent of you to contribute.
A braided geometry achieves a lower capacitance (then a twist), and low inductance cable while also having some emi/rfi shielding (not as much as a twist). Most wire used by manufacturers can be had you just may have to buy a lot more then you personally need. For example this is the wire Synergistic uses for it's designers and research refernce,D-2436 TWINAX . see pdf. in link and notice it comes in two colors blue, research reference and green, designers reference....
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