I do not believe there exists a set rule about shielding of power cords on any amps, one way or another. Personally, I have experienced the most desirable results on my SS class D Bel Canto Ref 1000M monoblocks and Rowland 312 stereo amp with the completely non-shielded Shunyata King Cobra CX power cords, which IMO yield optimum nimbleness, resolution, extension, and authority, without emphasizing any particular region of the audible spectrum. On the other hand, other audiophiles may prefer cords with slightly different audible characteristics. . . some may be shielded. . . and some may be unshielded. G.
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