Tweakers' Asylum

RE: Very likely, YES! Jumping In!

24.14.156.68

WilHenry

In Reply to: RE: Very likely, YES! posted by bartc on March 02, 2009 at 16:18:09

Except for the TI shield. Although I would if I could obtain just enough shield for the project. Silver Mica are ordered and the PRP are next with the other materials. I wonder if the Cardas teflon insulated silver wire would work? I suppose stripping would be tricky. I picked up the RS project boxes today. Wow I hadn't been in a RS store in a while. Not much in the way of DIY. Not even any perf boards.
Thanks for the encouragement. Bill

Follow Ups:

Some thoughts - bartc 05:53:21 03/03/09 (2)
I was hesitant about the TI also, because you have to order a sheet and it isn't cheap. On the other hand, I ended up making 4 filters with it for my speaker cables, and one for every power cable too (I filter those), and will eventually replace my older AC plug in parallel R-C filters with the TI shielded versions grounded. So I'll use up enough of a sheet to make this very well worthwhile. There are other uses for TI as well, if you don't use too much of it in any one place, BTW.

As to the Cardas wire, I can't tell you. But what I did was order a small amount of the right gauge silver wire along with my TI from Michael Percy plus the right gauge teflon tubing for that wire. Easy enough to work all this stuff and those particular parts were reasonably cheap.

RS is now you wireless phone store! In fact, I wonder if they'll even stay in business, because they have so much competition for what they've gone into instead of the DIY where they started and where they'll have NO competition. Ah well....
- RE: Some thoughts - Maprik 22:40:42 03/03/09 (1)
  Could you please detail how you add TI shield to your power cords?
  
  Thank you!
  - Not quite what you read into it - WARNING - bartc 06:31:32 03/04/09 (0)
    I add R-C array filters to my power cords making sure to use the proper X, X2 or Y rated caps for safety. These work the same as the speaker cable versions, in that they are parallel filters across hot and neutral.
    
    I do also use the TI-Shielded version of this with a ground wire to the TI, and this is constructed in the usual way of adding TI-Shield to the R-Cs.
    
    WARNING: THIS IS WITH ONLY 2-WIRE POWER CABLES WHERE THE GROUND WIRE IS NOT CONNECTED TO THE UNIT!!!! That means that the wire from the TI to the ground tine on the input plug is hooked up but NOT the other end of that wire to the ground inlet in the plug that fits into the machine. So the ground wire does NOT carry AC level current at all. It's there to ground the TI-shield only, not your components.
    
    There probably is a way to do this safely with a 3-wire power cord, but I don't know it and won't propose it! Ask somebody here in the electronics field instead.
    
    Also, for clarity let me say that I don't use TI shield any other way on any cables, nor yet on any components, though I've read here on ways to do so. TI is a bit like ERS cloth and ferrites, in that you can easily overdo it.

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