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Audio News for December 7, 2025

2025/12/07
2 min read

Today’s highlights feature the high-end phono stage “R-X88 series” announced by Denmark’s Aavik, and the subwoofer-specific isolator “AUVA SW” from UK’s Stack Audio.


1. New Product Releases (Official Announcements)

Aavik R-X88 Phono Stage Series — Aavik (Phono Stage)

  • Key Specs:
    • Models: R-188 / R-288 / R-588
    • Input: MC (Floating RCA), Optical cartridge (DS Audio compatible)
    • MC Input Gain: 58dB / 64dB
    • Optical Input Gain: 26dB
    • Output: RCA (THD <0.05%, 70Ω)
    • S/N Ratio: 94dB (1kHz)
    • Dimensions: 440 × 430 × 116 mm
    • Weight: 21kg
  • Pricing: R-188: €15,000 / R-288: €20,000 / R-588: €25,000 (may vary by market)
  • Highlights:
    • Inherits technology from flagship R-880, supporting both MC cartridges and DS Audio optical cartridges
    • Advanced noise elimination via Ansuz Active Tesla Coils, Square Tesla Coils, and analog dither circuits (R-588 features up to 108 Active Tesla Coils)
    • Sine-wave DC/DC converters for ultra-low noise power supply and Topological Balanced MC input to eliminate ground noise

Stack Audio AUVA SW — Stack Audio (Accessories)

  • Key Specs:
    • Hybrid isolator specifically designed for subwoofers
    • AUVA Particle Impact Damping Chamber
    • CSA (Custom Silicone Absorber) 8-prong structure
    • 6 weight ratings (CSA 1-6: 1-16kg to 48-56kg)
    • Machined aluminum housing
  • Price: £270/set of 4 (excl. tax)
  • Availability: Immediate
  • Highlights:
    • Tuned specifically for subwoofer long-wavelength vibrations, preventing structural transmission
    • 29 design iterations balancing scientific precision and listening evaluation
    • Compatible with any subwoofer via screw-in adapters or height-adjustable pads