Bibacord Headphone Cable
The headphone cable is made with four copper and two silver OCC solid core conductors for each channel. It is covered by a soft black nylon sleeving giving a nice tactile sense.
The cable may be perceived as a little stiffer than a conventional cable made from multistranded litz wires, but the total conductor cross section is larger and the benefit of solid core is much preferable.
We made the cable originally for Focal Utopia but it is a terrific partner for any other high end headphones using 3.5 mm plug, 3-pin or 4-pin mini XLR connectors. It gives a surprising improvement in sound quality as compared to a stock cable: more resolved details, bigger soundstage and increased sense of being immersed in music.
For the source end we use silver plated AECO 6.35 mm plug (AT6-1231S) or AECO 4-pin XLR (AX4-1611S). It is not possible to have smaller plugs (2.5, 3.5 or 4.4 mm) at the amplifier end due to the large conductor size.