Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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OK, answers where I have them

Posted by bartc (A) on December 11, 2007 at 05:58:32

In Reply to: Is the TI shield easy to cut and shape ? posted by diyaudiophile on December 10, 2007 at 23:35:04:

1) Yes, I cut mine with ordinary scissors, shape it by hand. It's just a thin sheet, mostly copper, so it forms reasonably easily.

2) First I punch a hole in the TI, then I crimp roughly the stripped wire end through the hole and onto both sides of the TI. Then I solder it (not the easiest to do), then I close a flap of TI over the soldered wire joint. So it's really both soldered and physically held in place. Sometimes I add electrician's tape.

3) Yes, and you don't need to overdo it. My big caps are about an inch wide and that's about all that's really needed of the TI, an inch strip or slightly larger. Make sure you do the Microsorb first, because you'll discover that you need extra TI due to the width and bending involved, plus the flap over to solder a complete tube together. I'm not actually sure you even need a complete tube - you clearly don't on the speaker cable R-Cs at all, BTW - but I'm using that.

4) I'm using the quarter inch version, the thinnest. Al's using the larger size I think. It doesn't appear to be a major factor here at all.

5) Have no experience, but thinking of these applications. Somebody else in the archives did post that it does help in these places, as well as with torroids. I'd try the microsorb and TI layer, but not sure about grounding in such applications at all and wouldn't know how to do it properly myself.

Another consideration: TI-Shield is highly conductive. So I wrap the ones in my AC filters with a layer of electricians tape, having discovered the magic of a short in tight places! In the speaker cable R-Cs you can see that Chris advised a spacer that's non-conductive - cotton in his case and Microsorb in mine - for that very reason.

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