Signal Projects Hydra Digital RCA

Signature Series · 75Ω Coaxial · Copper-Silver-Gold Hybrid Conductor

The Signal Projects Hydra Digital RCA is a 75Ω digital coaxial interconnect from the Signal Projects Signature Series, designed specifically for S/PDIF digital transmission. It features a hybrid structure of high-purity copper, silver, and gold, combined with precise shielding and optimized geometric design. This effectively reduces jitter and interference, providing the system with clearer, more stable, and more musical digital signal transmission.

Suitable for connecting high-end CD transports, digital sources, and DACs.

Basic Product Information

• Type: 75Ω Digital Coaxial Interconnect
• Brand: Signal Projects
• Series: Hydra (Signature Series)
• Connector: RCA
• Impedance: 75Ω
• Standard Length: 1 m (extendable)
• Positioning: Mid-to-high-end digital system upgrade interconnect

Core Technology and Material Application

• Copper-Silver-Gold Hybrid Conductor (Hybrid): Combines the advantages of high-purity copper, silver, and gold
  • Copper: Provides warmth and body
  • Silver: Enhances speed and resolution
  • Gold: Increases smoothness and musicality
• High-Purity Copper: 99.999994%
• Cross-Sectional Area: 0.82 mm²
• Precise 75Ω Impedance Design: Complies with S/PDIF standards, reducing signal reflection and jitter
• Precision Shielding Structure: Effectively suppresses EMI/RFI interference
• Purpose of Material Application: Through the perfect ratio of three precious metals, achieves low-jitter, high-purity digital transmission while retaining natural musicality

Detailed Specifications

• Model: Hydra Digital RCA (75Ω)
• Conductor Type: Hybrid
• Cross-Sectional Area: 0.82 mm²
• Metals: Copper, Silver & Gold
• Purity: 99.999994% (Copper)
• Capacitance: 14.30 pF/ft
• Resistance: 6.50 mΩ/ft
• Inductance: 0.54 μH/ft
• Impedance: 75Ω
• Standard Length: 1 m (additional cost for every 0.5 m increase)
• Applicable Systems: Mid-to-high-end CD transports, digital sources, DACs

Sound Performance and Characteristics

The Signal Projects Hydra Digital RCA brings significant improvements to the system:

• More stable digital signal transmission, reduced jitter
• Quieter background, easier to discern details
• Clear, open, and lively sound
• Wide soundstage, precise imaging
• Natural and full midrange, voices and instruments have a palpable presence
• Beautiful, smooth, and non-fatiguing high-frequency extension
• Tight and powerful bass with good control
• High overall balance, outstanding musicality
• Virtually no coloration, faithfully reproduces the original recording

Especially suitable as a mid-to-high-end digital interconnect upgrade for systems, helping digital sources and DACs unleash their full potential.

Online Reviews

• Hi-Fi News and Soundrebels, etc.: The overall reviews for the Hydra series are positive, describing its sound as "lively, open, and musical," making music more vibrant and natural.
• High-end audio users comment that the Hydra digital interconnect provides cleaner digital transmission, a blacker background, and better detail, making it a highly cost-effective choice for mid-to-high-end digital cables.