Looks similar to other flux capacitors from the competition. Perhaps not the exact science behind them.
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https://nordost.com/qrt/qk1-ac-enhancer.php
https://nordost.com/qrt/qv2-ac-line-harmonizer.php
If you hear it, it works!
.
https://nordost.com/qrt/qk1-ac-enhancer.php
https://nordost.com/qrt/qv2-ac-line-harmonizer.php
If you hear it, it works!