With notable influence from the sister brand BRAX and our uncompromising high-end philosophy, only the highest quality components, such as the proprietary, handmade UHD (Ultra High Damping) paper cone, are used in the i7 series. manufactured in a particularly complex process, this cone guarantees an optimal frequency- as well as the best possible impulse response for incomparable music enjoyment.
HELIX Ci7 8" Midwoofer
$1,198.00Price
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 / 1mCone 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"
