The Tchernov Supreme MK2 speaker wire tops our Tchernov speaker-wire ladder by name. Here's what its published figures mean, which gauge suits which job, and the caveat that Tchernov's own website doesn't list it.

What the Tchernov Special 2.5 speaker wire adds over the Standard series, where its 2.5 mm² of copper earns its keep in a car, and what its foamed insulation and damped jacket can't do.

How the Tchernov Standard 2.0 speaker wire handles amplified door speakers, 2 Ω loads and subwoofer runs, what our 180 m spool listing works out to per metre, and what we couldn't verify.

A practical look at the Tchernov Standard 1.0 speaker wire: its 17 AWG construction, the resistance maths for car doors, the 280 m spool question and when to go thicker.