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In Reply to: Re: 89259 is copper with a Teflon dielectric... posted by Jon Risch on November 27, 2006 at 21:40:31:
Jon,I've been thinking about your ICs for at least a year. Now have all the components and am in the process of building a short "throw away" version for practice. I'm using 89259 twisted with 1506A and will use shielding.
Just got back from Lowe's and paid $2.37 for 18" of 5/32" Teflon rope. My question is whether I need to make continuous runs of it the full length of my IC? Since there are two cores twisted together, there needs to be one length of Teflon rope spacer on each side of the twist or double the finished length. Would the properties of the IC be compromised by using segments of rope? I will be doing the mummy wrap with Teflon plumber's tape over the above combination and then adding the shield.
Thank you,
Gary
Vinyl and Film Forever
Follow Ups:
For best results, use the teflon 'rope', it will affect the sound if any other material is used, including cotton rope.BTW, instead of making a "throw-away" set with the good materials, use some cheap polyethylene wires, and some cheap RS plugs, and some cheap 60/40 RS solder and small cotton rope. If you can put those together, and make good solder joints, etc., THEN tackle the real materials using 63/37 Kester or equiv., and you will have a good pair of cables for the long haul.
Either way, be SURE to check for continuuity of the ground and the hot, so you do not damage your ystem when trying them out for the first time.
Also, put a little (reasonable) stress on the ends BEFORE installation and continuity check, make sure the ground connection is not going to 'pop loose', and cause massive hum, etc.
Then realize on hi rez systems, they will probably need to break-in a while before reaching full potential.
Jon Risch
Thank you, Jon. My system is all tubes. One system is Bottlehead and the other Don Allen / Welborne. I've used Welborne 2% silver solder for my Bottlehead and Welborne kits. Should I use the 67/37 Kester for the ICs instead?Thanks for your time.
Gary
Vinyl and Film Forever
I recommend Kester 63/37, with the 44 flux, this solder is hard to beat both sonically and for good sloder joints every time. But the Wellbourne is a good solder, and if you are used to using it, you should be able to make a good joint, the 2% silver solders can be a little peckish to work with, even with all the right tools and temperatures.However, if you can pick up a small quantity of the Kester 63/37 with the 44 flux, try it and see what you think. Kester also makes a silver solder, a 62/37/2 alloy, with the 44 flux, and this is also an excellent solder, just a bit harder to work with, as already noted.
Jon Risch
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Vinyl and Film Forever
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