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Oyaide FTVS-510 is a pure silver audiophile grade digital 75ohm coaxial cable, manufactured with the usual Oyaide attention to the smallest details, and which result in a truly superlative cable.
In order to maximise the potential of the material, Oyaide believe that it is necessary to have the highest level of technology and method on the basis of experience and the data.
Oyaide believed in the benefits of making a cable using pure silver, which has the highest electrical conductivity of all metals. The FTVS-408, a coaxial cable, was designed to be mainly used for digital signal transmission. Although it was produced as a limited production model, it became a regular product in their line-up due to strong customer demand.
Doing further validation of FTVS-408, Oyaide devoted much energy to providing the finest 5N silver and researching the perfect insulator and shield for the silver conductor. It was designed to be used for antenna, sound and digital signal transmission.
Pure silver is the best material for high-speed transmission due to its excellent electrical conductivity which is far superior to high-purity copper. However, the price of silver continues to rise ever higher making it one of the rare metals.
For the core of FTVS-510, 5N jewellery grade pure silver, which is far better than industrial-grade, is used. After being melted in a ceramic crucible, it is moulded into 15mm diameter round bars. It is further reduced in diameter by means of 19 repetitions of the cold-rolling process.
Although the conductor is the most important factor in signal transmission, the insulator is also significant in enhancing the transmitting capabilities of the cable. For the purpose of lessening signal loss, Oyaide employed Teflon which provides excellent electrical isolation and low electric permittivity. For the first insulation layer, they selected PE (Polyethylene) which keeps permittivity to a minimum and enhances the flexibility of the cable. This layering of these different materials not only enhances the conductor's electric capabilities but also attenuates internal vibration by altering the resonance point.
Although Teflon has a great electric characteristic, Oyaide needed to adopt a method for static electricity removal due to the fact that Teflon charges easily. When signal flows in a cable, it generates ultra-weak vibration that causes the discharge of an electric corona. In order to solve this problem, they installed carbon PE as a semiconductor layer. By surrounding just the outside of the first insulation layer, its semiconductor layer helps to discharge static build-up from the Teflon layer in an orderly fashion.
Triple Shielding Structure:
The ultra-silent background of the FTVS-510 is provided by a triple-layered shielding structure. The first semiconductor layer attenuates static noise and electric micro-waves. The second copper foil shielding protects against high-frequency noise. The third, silver-plated mesh shielding, protects against low-frequency noise. It also protects against high-frequency noise by means of the skin effect on the silver-plating.
The clear urethane sheathing has excellent mechanical strength and always maintains a stable level of hardness, without being affected by temperature change. Moreover, due to its high shock absorption and degree of elasticity, polyurethane provides powerful isolation from vibrations.
|Conductor||1.05mm 5N（99.9995％）pure silver|
|Insulation||Teflon skin layer and foamed polyethylene|
|Shield||Copper foil and silver plating braided copper|
|Outer||UV coating polyurethane|
|Conductor resistance||21 Ω/Km|
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