Helix CI7-T20 FM-SC tweeters
Helix CI7-T20 FM-SC tweeters
Helix CI7-T20 FM-SC tweeters
Helix CI7-T20 FM-SC tweeters
Helix CI7-T20 FM-SC tweeters
Helix CI7-T20 FM-SC tweeters
Helix

Helix CI7-T20 FM-SC tweeters

Helix CI7-T20 FM-SC

"Compose" tweeter set

Features

  • 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
  • Made in Germany

Technical data

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  91.0 dB @ 2.83V / 1m
88.0 dB @ 1W / 1m
Voice coil diameter   Ø 20 mm
Cone material    Silk dome with coupling volume
Outer diameter   32 mm / 1.26"
Installation diameter   27.2 mm / 1.07"
Installation depth   19 mm / 0.75" 
   
Recommended crossover frequencies for the highpass  
Slope    Minimum crossover frequency
6 dB/Octave  > 4,000 Hz
12 dB/Octave  > 3,000 Hz
24 dB/Octave   > 2,500 Hz
$799.00
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