it uses Permalloy (iron and nickel alloy) for its transformer cores

Optical Audio Inputs *2

Switches and relay-free source selection

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ESOTERIC GRANDIOSO K1X SE SACD/CD-Player Vinyl - Country/Folk/Blues it uses Permalloy (iron andVRDS Technology VRDS (Vibration Free Rigid Disc Clamping System) is Esoteric's unique CD Super Audio CD transport technology, which has been specially designed to clamp the disc to a same diameter turntable in order to eliminate the disc's rotational vibration, as well as any extraneous vibration emanating from the mechanism itself. It also corrects any warpage of the disc, dramatically improving the accuracy of both the optical pickup and the disc