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Helix Compose i7 T20FM-SC


  • Super-wide dispersion 0.75” / 20 mm high-end silk dome tweeter with coupling volume for lowest possible resonance frequency
  • Exceptionally lightweight and fine-meshed silk dome ensures brilliant and smooth treble response
  • High efficient neodymium magnet for high magnetic flux linearity
  • Integrated, dampened coupling volume allows a low crossover frequency thanks to its low resonance frequency
  • Sturdy Aluminum housing turned from solid
  • Compact design and various mounting options for numerous installation demands
  • Mounting pods for flush mount and angle mount included in delivery
  • Designed for the optionally available car-specific FlexMount20 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle
  • Made in Germany

Helix Compose i7 T20FM-SC

  • Impedance Z 4 Ω 
    DC Resistance  Re 3.4 Ω
    Frequency Response   1,500 Hz - 30,000 Hz
    Resonance Frequency Fs 950 Hz
    Sensitivity SPL 91 dB @ 2.83V / 1m
    88 dB @ 1W / 1m
    Voice Coil Diameter Ø 20 mm
    Cone Material   Silk Dome w/ Coupling Volume
    Outer Diameter   32 mm / 1.26"
    Installation Diameter   27.2 mm / 1.10"
    Installation Depth   19 mm / 0.39" 
  • Slope Minimum Crossover Frequency
    6 db/Octave > 4,000 Hz
    12 db/Octave > 3,000 Hz
    24 db/Octave > 2,500 Hz
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