DH Labs has made high value, excellent cables for decades. They fly under the radar due to no marketing or review chasing. Keeps the cost down.
I'm not surprised with your results.
DH Labs power cables
Several months ago I decided to make a final adjustment to my system by upgrading the power cables. I’d been using Pangea cables. After upgrading I noticed an immediate improvement in micro details, sound stage and bass control. Those qualities only improved as the cables burned in.
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Pangea AC14 SE->DH Labs Power Plus
-Phono preamp, DAC, CD transport and streamer.
Pangea AC9 SE-> DH Labs Red Wave
-Preamplifier and amplifier
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Auralic Aries G1
PS Audio Perfectwave CD transport
Denafrips Hermes and Terminator 2
Technics SL-1600 MK1
Dynavector 10x5 Mk2
Parasound JC3+
Rogue RP7
Pass Labs XA25
Tekton Design Nebos with ultimate upgrade