Cables

Only one issue ago we reviewed an interconnect cable whose core thesis focused on achieving a low capacitance and dielectric loss by utilising an 'air' insulation. That was Kimber's new flagship 'Naked' interconnect – a cool £12,700 per terminated metre [HFN Mar '22]. Somewhat more affordable, but also leveraging the 'air dielectric' theme, is the NF-204 Micro Air interconnect from Germany's most prolific cable manufacturer, In-akustik, based in Ballrechten-Dottingen.

In a game of audiophile word association, 'mains regenerator' will elicit the response 'PS Audio' just as surely as 'electrostatic headphones' does 'Stax'. PS Audio can't claim to have introduced mains regeneration to high-quality sound reproduction – that distinction belongs to Linn Products and the Valhalla board for the LP12, introduced in 1982. But nobody generalised on that specific, realising that a regenerated mains waveform might bring improvements to audio components other than a turntable's synchronous AC motor, until PS Audio introduced its original Power Plant, to a somewhat bemused hi-fi industry, in 1998.

What began with its 42-strand and 79-strand speaker cables has seen QED on a journey of discovery culminating 40 years later in this flagship Supremus offering. Closer in physical bulk and generally unwieldiness to a hawser than a speaker cable, QED's new top-of-the range wire has almost nothing in common with the figure-of-eight-shaped 79-strand cable that was in the vanguard of that early subjective revolution.

As the sovereign serpent in TCI's (True Colours Industries) longstanding range of loudspeaker cables, King Cobra is not new but it has 'evolved' since we last tested the Stereo version [HFN Jan '13]. Seen here is the 'Bi-Wire' version of King Cobra, ostensibly comprising a pair of the same conductor cores used in the Stereo iteration but with the two signal and two return paths combined at the source (amplifier) end. So this version of TCI's flagship cable supports bi-wiring but not bi-amping.