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

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Ah experimentation!

Posted by bartc on February 6, 2011 at 11:56:08:
Glad to see this elabortately improved job! Looks like a lot of nice work and thinking.

What surprises me is that you didn't get good results right out of the box. Mine always do improve it immediately and then work in a bit better, so I never have had regrets on this.

I've never potted mine, though I did experiment in earlier iterations of R-Cs with sand fill. With the R-C-Rs, as long as the values of R are right and each C is surrounded by it's own Rs of matched values, it works best for me.

I do surround with TI and ground that as well. But I do not do total surround as you do, just more of a clamshell design (spiral?) padded by cotton, as Al Sekela showed me to do. With grounding TI, the AWG matters, and I found 12 AWG to be good for that purpose.

For the R-C-R wires, however, the smallest guage solid core that is safety rated for the task at hand is the best.

Keep listening, keep trying. These things work well and they work cumulatively and they're synergistic with other AC tweaks.