Measuring the Furutech GTX-D
The next investigation involved understanding why the two Audio Outlets consistently show lower current draws, even when few things are on it - like the preamp, phono preamp and tuner
The suspicion turned to those in-wall Furutech GTX-Ds. All others around them, which consistently get much higher readings, are high quality Leviton, and one of them gets me over 980A. So I decided to chain a spare GTX-D to one of the live GTX-Ds and measure peak amperage and impedance, using alligator clips and two per side in order to get 12awg on each leg.
It was a surprise, but the famed Furutech appears to be audiophile jewelry, a piece of crap, in the same category as those Ching Cheng cords I tested before, giving me basically half the current of the in-wall GTX-D.
So now we have all Leviton outlets around the audio system giving out 1.5X to 2X the current of the in-wall GTX-D, and then a chained GTX-D dropping half of its parent's as well, with much higher impedance than anything else I have measured (which is typically <0.15Ohms everywhere)
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Needless to say, they will be promptly replaced with Hubbell