Viablue phono cables connect a turntable's tonearm to a phono stage, the most delicate signal path in any system. A moving-coil cartridge can output well under a millivolt, hundreds of times weaker than a line-level source, so shielding and a dedicated ground wire matter more here than on any other interconnect. A standard RCA cable usually leaves you fighting hum. Viablue builds both phono cables with mixed silver-copper conductors and full-metal housings that reject electromagnetic interference.
The NF-S5 is the flagship, with airpipe insulation and the same conductor geometry as Viablue's top analog interconnects. The EPC-2 brings the same grounding and shielding approach at a lower price. Both terminate in RCA and include a separate ground lead that ties the turntable chassis to the phono stage grounding post. With the ground path handled properly, a good cartridge gets a quiet, low-noise route to the phono stage and can resolve the fine detail that hum would otherwise bury.
