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Helix Compose i7 W130-S3


  • 5.25” / 130 mm high-end midbass which combines high efficiency with outstanding sound performance
  • 3 Ohms technology for maximized power output of the amplifier
  • Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
  • High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing
  • Specially shaped rubber surround for high linear cone excursion
  • Polyurethane dustcap for optimized frequency response in the upper midrange area
  • 1” / 25 mm voice coil ensures minimum thermal compression and high power handling
  • Automotive grade ProConnect connection terminal allows the use of conventional speaker cables or a fast, secure and fail-safe connection via optionally available WireKits
  • Powerful magnet system for highest efficiency and extremely low distortion
  • Designed for optionally available, car-specific WireKits which allow a non-destructive integration
  • Made in Germany

Helix Compose i7 W130-S3

  • Power Handling RMS / MAX P 120 / 180W
    Impedance Z 3 Ω
    DC Resistance Re 2.9 Ω
    Frequency Response   70 Hz - 4,000 Hz
    Resonance Frequency Fs 73 Hz
    Mechanical Q Factor Qms 2.38
    Electrical Q Factor Qes .5
    Total Q Factor Qts .41
    Compliance Cms 420 µm/N
    Equivalent Air Volume Vas 4.3 L
    Force Factor B*l 5.5 Tm
    Sensitivity SPL 92 dB @ 2.83 V / 1m
    88 dB @ 1W / 1m
    Cone Area Sd 85 cm²
    Moving Mass Mms 11.1 g
    Cone Material   UHD Crafted Paper Cone
    Mechanical Resistance Rms 2.15 kg/s
    Voice Coil Diameter ø 25 mm
    Voice Coil Heigh   12.8 mm
    Max Linear Excursion Xmax +/- 3.4 mm
    Outer Diameter ø 130 mm / 5.12"
    Installation Diameter ø 116.5 mm / 4.59"
    Installation Depth   58.5 mm / 2.31"


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