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The Oyaide ACROSS 900 V2 is a coaxial interconnect cable designed for low-noise analogue transmission in demanding environments. It relies on a 102SSC copper conductor combined with a C.I.S. structure incorporating an air layer, while adding a double shield to strengthen immunity to interference and stabilise electrical parameters across the full bandwidth.
Intended for high-fidelity systems and complex installations, it combines a controlled coaxial geometry with low-dielectric-constant polyolefin insulation, preserving signal integrity even in the presence of external interference. This approach enables it to serve as a critical link within an audio chain, while maintaining the electrical and mechanical consistency required by the most sensitive configurations.
The ACROSS 900 V2 relies on the proprietary 102SSC conductor, drawn from primary copper conforming to JIS C1011 to eliminate any impurities associated with recycling, while a surface stripping process removes residual contaminants to promote uniform conduction. This approach is extended through drawing via natural diamond dies, refining the strand structure and improving their consistency, while maintaining a manufacturing tolerance of ±1µm that limits electrical variation. The whole, completed by a double annealing process reducing internal mechanical stress, achieves a conductivity of 102.3% IACS, ensuring stable and predictable signal transmission.

The patented 3E technology is based on the concentric combination of three distinct strand diameters, allowing the internal arrangement to be densified while reducing the gaps between conductors. This geometric organisation improves bundle cohesion and ensures a perfectly circular cross-section after twisting, promoting uniform contact with the insulation and limiting thickness irregularities. Beyond the mechanical precision, this homogeneous structure translates into more consistent electrical characteristics, contributing to greater signal stability across the full bandwidth.
The cable adopts a C.I.S. (Cross-Insulated-Stabilizer) structure incorporating a cross insulation with an air layer, reducing parasitic capacitance while improving high-frequency stability through vibration dissipation ensured by the internal geometry rather than by damping materials. This approach extends into a coaxial architecture where the centre conductor is supported at discrete points, limiting interactions with the immediate signal environment.
Beyond this foundation, the ACROSS 900 V2 introduces a concentric double shield that reinforces electromagnetic isolation, more effectively containing external interference while stabilising the cable's overall impedance. This double layer also acts as an additional barrier against ground-borne disturbances and parasitic fields, resulting in cleaner transmission in electrically noisy environments or high-density equipment installations.
The assembly relies on a polyolefin dielectric with a low dielectric constant — approximately four times lower than PVC — limiting energy storage while maintaining effective conductor separation, ensuring stable and legible reproduction across the full audio spectrum.

The assembly is enclosed in a halogen-free polyethylene outer jacket, selected for its stable dielectric properties and low interaction with the signal, while contributing to the mechanical protection of the cable in both domestic and professional environments. This outer sheath maintains consistent electrical performance by limiting external influences, while its composition ensures controlled dissipation of thermal and mechanical stress.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Signal cable |
| Number of conductors | 1 |
| Conductor cross-section | 1mm² |
| Conductor material | 102SSC copper |
| Insulation material | Polyolefin |
| Shield | Double 102SSC copper braided sleeves |
| Outer jacket material | Halogen-free polypropylene |
| Cable diameter (nominal) | Ø9.7mm |
| General | |
|---|---|
| Colour | Black |
| Package contents | Sold per metre |
| Diameter (mm) | 9.7 |
| Number of conductors | 1 |
| Insulation material | Polyolefin |
| Shielding | Yes |
| Section (mm²) | 1.00 |
| Conductors material (Cable) | Copper |
| Conductors Plating (Cable) | None |
| Ground / Shielding | Yes |