Tchernov Audio Cuprum Classic Bi-Wire SC Acoustic cable

Technically 5+
Cosmetically 5
Recommended for home installations of the average price level
Four twisted multi-wire conductive cores are made of copper BRC (Balanced Refinement Conductor) conductors of the same diameter, insulated with special, combined air-porous CAF (Combined Air-Foamed) polyethylene, which has high dielectric properties, have a reinforcing. The screen with a density of 75% is made in the form of a braid of copper wires with a diameter of 0.12 mm and is equipped with an auxiliary conductor that provides reliable electrical contact with the screen along its entire length.
Two auxiliary conductors are connected in the speaker system with "minus" terminals. The double combined sheath is made of a special, soft polyvinyl chloride plastic (SPVC), resistant to temperature changes and has good damping properties.
Conductor core - from 98 copper wires with a diameter of 0.18 mm;
Conductor core twisting system - 7x14x0.18;
Nominal cross-section of the conductor core - 2.50 mm2;
Design - 4x2.5 mm2;
Auxiliary conductor design - 19x0.12 mm;
Total sheath thickness - 0.90 mm;
Cable outer diameter - 12.00+0.50 mm

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