Aftermarket ac power cable-put your opinions here too :-)

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#104
Before you try to DIY a better power cord you have to work out what is wrong with what we have, other than marketing fluff. Now John (JNeutron) is the closest we have to Dr Manhattan on here. He buys unobtainium by the ton to make magic things and is dead good with wires. He suggests that you don't worry about the wire, but instead worry about loop areas. This is worth considering, as it's a free upgrade. Shock horror.


If I could work out how the galleries worked I'd link you to the images.


Edit found it ground loop theory/tests. - My Photo Gallery in particular look at ground_loop_1 and system_ground_layout_options. If you can implement that second diagram then you will have helped minimise ONE of the issues with mains powered stuff.
 
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#106
Here is info on one of the storm series cables. There is a lot to it, I think it would be hard to DIY one. Note that each of the 3 line conductors is shielded from each other, and inside each conductor are 3 solid core wires and each one is in its own air tube.
There are several layers of shielding and some are not metal but they reduce the RF pick up of the wires and other shields inside.

https://www.audioquest.com/cables/ac-power-cables/storm-series/hurricane-high-current
 
#109
Hi Rick,
If the material isn't metallic, it will not affect RF energy at those thicknesses.

It's hard to reproduce irreproducible results.
Click to expand...
I wonder what the limits of experimental error are at these levels? Tests like these at the levels they are talking about are meaningless without an error budget.

-Chris
 
#110
I set up an Isolation transformer with power filter that I got from a scrap sale at work to use as a single source for my downstairs entertainment system (60" TV, Surround System, etc).

I swear the background noise of the surround system went down to a level that I can't hear, and the dynamic range of my TV increased to the point where the blacks just disappear.

Actually, some buzzing in the rear surround speakers did seem to decrease.

I'll have to keep an eye on it to see if it comes back.
 

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#111
Gimp: Isolation transformers can help in some cases, depends on the noise.

Bill: +1 for loop stuff, helped me a lot to read about that when I had some weird noise issues a few years back.

Matt: Sorry if I come across as a bit "harsh", not intended. Have a beer on me. Can I have some of that popcorn? :cheers:

Speedskater: Keep speeding on your skates.


I'll just fade out of this topic, it's a bit "much".
Have fun 🙂
 
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