HELIX Ci5 M50FM-S3
50 mm (2") wideband driver, 3 Ω, from the Compose i5 line.
Specifications
| Power handling RMS / Max. (P) | 70 / 100 Watts |
|---|---|
| Impedance (Z) | 3 Ω |
| DC resistance (Re) | 3.1 Ω |
| Frequency response | 300 Hz - 20,000 Hz |
| Resonance frequency (Fs) | 240 Hz |
| Mechanical Q factor (Qms) | 3.09 |
| Electrical Q factor (Qes) | 0.80 |
| Total Q factor (Qts) | 0.68 |
| Compliance (Cms) | 300 µm/N |
| Equivalent air volume (Vas) | 0.16 L |
| Force factor (B*I) | 2.8 Tm |
| Sensitivity (SPL) | 89 dB @ 2.83 V / 1m 85 dB @ 1W / 1m |
| Cone area (Sd) | 19.6 cm² |
| Moving mass (Mms) | 1.43 g |
| Cone material | Silicon coated paper cone |
| Mechanical resistance (Rms) | 0.71 kg/s |
| Voice coil diameter (ø) | 20 mm |
| Voice coil winding height | 7 mm |
| Max. linear excursion (Xlin) | +/- 2.5 mm |
| Max. mechanical excursion (Xmax) | +/- 3.5 mm |
| Outer diameter (ø) | 59.8 mm / 2.34" |
| Outer diameter with universal mounting ring (ø) | 70.0 mm / 2.75" |
| Installation diameter (ø) | 50.9 mm / 2.00" |
| Installation depth | 25.2 mm / 0.99" |
| Features | Powerful push-pull neodymium magnet system, FlexMount50 |
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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