Supra Ply 3.4/S Speaker Cable at MCRU

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Award winning Hi-Fi choice recommended shielded speaker cable Supra PLy 3.4/S

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Supra Ply 3.4S Speaker Cable is a large-section, low resistance cable, which can overcome these limitations, by using a proprietary, pure tin-plating. This has the double benefit that tin and copper meld without forming a diodic barrier and that tin strongly resists most common causes of metal corrosion, hermetically protecting the copper, making Supra Ply 3.4S ideal for outdoor use in either car (automobiles) vans and/or truck as well as marine applications, where salt water may quickly corrode a pure copper cable.

Here is a review of the Supra Ply 3.4/S Speaker Cable on Stereophile.

Here is a review of Supra Ply on TNT Audio.

Even if oxidation should form on the outside of Supra Ply 3.4S, it will be sonically benign, as in audiograde metal oxide resistors, which are really tin oxide. (Because Ply cables are tin-plated, they are effectively impervious to corrosion when used outdoors). Sonically, tin-plating has no known negative effects on sound quality, especially over time, leading to extended periods of good quality sound, with no likelihood of deterioration, as is usual when plain copper or silver-plated conductors oxidise.

Supra Ply 3.4/S Per M Specifications:

  • Conductors: 2x120x0.15 OFC, Sn
  • Insulation: Chloride Ion-Stabilised PVC
  • Area: 2x2.0 14AWG
  • Shield Coverage: >95%
  • External Diameter: 7.5x7.5mm
  • Colour: Ice Blue
  • Weight (g/m): 129
  • Resistance (ohms/km): 5.1
  • Inductance (uH/m): 0.20

More information on the Ply 3.4/S is on the Jenving Website.



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