Helix Ci3 T20FM-AL Mk2 tweeters

$249.00

Ci3 T20FM-AL MK2 Performance aluminium dome tweeter Features 0.75” / 20 mm performance tweeter with black aluminum dome for accurate, pure and d...
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Description

Ci3 T20FM-AL MK2

Performance aluminium dome tweeter

Features

  • 0.75” / 20 mm performance tweeter with black aluminum dome for accurate, pure and detailed treble response
  • High-quality aluminum dome with perfect balance of low weight and high rigidity – for natural brilliance and fine detail reproduction
  • Refined highly efficient neodymium magnet for high magnetic flux linearity and optimized performance
  • Compact design and various mounting options for numerous installation demands
  • Mounting pods for flush mount and angle mount included in delivery

Technical data

Impedance   Z 4 Ω
DC resistance  Re  3.2 Ω
Frequency response    2,000 Hz – 25,000 Hz
Resonance frequency  Fs  1800 Hz
Sensitivity SPL  91 dB @ 2.83V / 1m
88 dB @ 1W / 1m
Voice coil diameter   Ø 20 mm
Cone material    Aluminum
Outer diameter   32 mm / 1.26″
Installation diameter   28 mm / 1.10″
Installation depth   9.8 mm / 0.39″ 
   
Recommended crossover frequencies for the highpass  
Slope    Minimum crossover frequency
6 dB/Octave  > 5,000 Hz
12 dB/Octave  > 3,500 Hz
24 dB/Octave   > 3,000 Hz

 

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