Helix CB C100.2-S3 4" coaxial speakers
Helix CB C100.2-S3
4" 2 way coaxial speakers
Features
- 2-way coaxial speaker system which combines high efficiency with exceptional sound performance
- 3 Ohm technology for maximised power output of the amplifier
- Compact design for trouble-free installation even in cramped conditions
- Tweeter
- 0.75” / 20 mm tweeter with silk dome for accurate treble response
- Very efficient neodymium magnet for high magnetic flux linearity
- Midrange
- 4” / 100 mm midrange with lightweight polypropylene cone which provides essential stiffness for exceptional sound performance
- Sturdy steel basket with additional ventilation holes for better voice coil cooling and high power handling
- Powerful magnet system for optimised impulse response
- Crossover
- Integrated with 6 dB slope
Technical data
| Power handling RMS / Max. | 60 / 90 Watts | |
| Frequency response | 100 Hz - 22,000 Hz | |
| Impedance | 3 Ω | |
| Sensitivity | 86 dB @ 2.83V / 1m 82 dB @ 1W / 1m |
|
| Outer diameter | 99.2 mm / 3.91” | |
| Installation diameter | 89.5 mm / 3.52” | |
| Installation depth | 48.9 mm / 1.93” | |
| Midrange | ||
| Impedance | 3 Ω | |
| DC resistance | 3.0 Ω | |
| Resonance frequency | 113 Hz | |
| Mechanical Q factor | 4.97 | |
| Electrical Q factor | 1.05 | |
| Total Q factor | 0.87 | |
| Compliance | 272 μm/N | |
| Equivalent air volume | 0.8 L | |
| Force factor | 3.9 Tm | |
| Cone area | 45 cm2 | |
| Moving mass | 7.2 g | |
| Mechanical resistance | 1.04 kg/s | |
| Voice coil diameter | 25 mm | |
|
Voice coil winding height |
8.9 mm | |
| Max. linear excursion | +/- 2.5 mm | |
| Tweeter | ||
| Voice coil diameter | 20 mm | |