Helix Ci7 W200FM-S3 8" midbass woofers
Features
- 8" / 200 mm high-end woofer which combines outstanding sound performance with versatile physical integration options
- High efficiency and 3 Ohms technology for maximised power output of the amplifier
- Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
- High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimised ringing
- Specially shaped rubber surround for high linear cone excursion
- Polyurethane dust cap for optimised frequency response in the upper midrange area
- Large 1.46" / 37 mm voice coil ensures minimum thermal compression and high power handling
- Compact dimensions with maximum performance - despite the small outer diameter, this woofer comes with the same cone area known from typical 200 mm chassis
- Powerful magnet system for highest efficiency and extremely low distortion
Technical data Power handling RMS / Max. P
150 / 225 Watts Impedance Z 3 Ω DC resistance Re 3.0 Ω Frequency response 35 Hz - 2,500 Hz Resonance frequency Fs 52 Hz Mechanical Q factor Qms 6.04 Electrical Q factor Qes 0.78 Total Q factor Qts 0.69 Compliance Cms 370 µm/N Equivalent air volume Vas 20.8 L Force factor B I 5.6 Tm Sensitivity SPL 92 dB @ 2.83 V / 1m
88 dB @ 1W / 1m Cone area Sd 201 cm² Moving mass Mms 25.6 g Cone material Ultra high damping (UHD) crafted paper cone Mechanical resistance Rms 1.40 kg/s Voice coil diameter ø 37 mm Voice coil winding height 13.8 mm Max. linear excursion Xmax /- 3.9 mm Outer diameter ø 195 mm / 7.68" Installation diameter ø 173.5 mm / 6.83" Installation depth 65.8 mm / 2.59"
- Store:
- Alpine Car Audio
- Price:
- $1,199