Signal Projects UltraViolet Power Cord

Signature Series · High-Purity Copper Conductors · Emphasizing Both Dynamics and Resolution

The Signal Projects UltraViolet Power Cord is a power cable from the Signal Projects Signature Series, designed for high-end audio systems. It features a 6N (99.99997%) high-purity oxygen-free copper multi-core structure, providing a pure and stable power supply. It emphasizes high resolution and dynamic performance, while also maintaining good musicality and a sense of weight.

It is suitable for upgrading the power supply of sources, preamplifiers, power amplifiers, or integrated amplifiers, helping the system reduce noise floor, enhance dynamics, and improve detail layering.

Basic Product Information

• Type: High-end Audio Power Cord
• Brand: Signal Projects
• Series: Signature Series (UltraViolet)
• Connector Options: US or EU specifications (C15 / C19 IEC optional)
• Standard Length: 1.5 m (extendable)
• Positioning: Power cord for high-end system upgrades

Core Technologies and Materials Used

• High-Purity Copper Conductors: Uses 6N (99.99997%) Oxygen-Free High-Conductivity (OFHC) copper for excellent conductivity and low distortion
• Multi-Core Structure: Multi-strand twisted design to improve current transmission efficiency and stability
• Cross-Sectional Area: L & N approximately 5.42 mm², Ground approximately 5.90 mm² (multi-strand structure, about 48 strands per group)
• Air Tube Supported Geometry: Conductors are woven around air tubes to maintain structural stability and prevent performance degradation due to placement
• Low LCR Values: Well-controlled capacitance, resistance, and inductance to minimize transmission loss
• Custom Shielded Connectors: Connector body features a shielded design to further improve signal-to-noise ratio
• Multi-Layer Insulation: Provides good thermal stability and protection

Detailed Specifications

• Model: UltraViolet Power Cord
• Conductor Type: Multi-Core High-Purity Copper
• Metal: Copper
• Purity: 99.99997% (6N)
• Cross-Sectional Area: Approx. 4.42–5.42 mm² (L & N)
• Capacitance: 9.83 pF/ft
• Resistance: 1.58 mΩ/ft
• Inductance: 0.48 μH/ft
• Standard Length: 1.5 m (additional charge for every 0.5 m increase)
• Applicable Systems: High-end Hi-Fi audio systems

Sound Performance and Characteristics

The Signal Projects UltraViolet power cord brings significant improvements to a system:

• Quieter background, reduced noise floor
• More complete dynamic performance, music with more weight and liveliness
• Deeper, firmer bass with better quantity and control
• Fuller midrange, richer and more natural timbre
• Improved resolution, clearer but not harsh details
• Overall sound with a greater sense of scale and presence, while maintaining good musical flow

It is especially suitable for upgrading mid-to-high-end sources and amplifiers, helping the system reveal a more powerful and layered sound.

Online Reviews

• Soundrebels Review: Notes that the UltraViolet adds weight and richness to the sound, with deeper and larger-scale bass, without sacrificing speed or clarity. The effect is even more pronounced when paired with the Poseidon power distributor.
• Users and media generally praise its improvements in dynamics, bass control, and background quietness, considering it a practical and effective high-end power cord within the Signature Series.