HELIX Ci7 T20FM-SC
20 mm (¾") tweeter from the Compose i7 line.
Specifications
| 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 |
Installed by Audio Edge
We sell every product as part of a system designed for your vehicle — consultation, installation, and tuning included. Tell us what you drive and we’ll tell you what this can do in your car.
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