Helix K 8W-DVC2

Do-it-yourselfers, here′s your chance to create your personal subwoofer box, to fit perfect into your car! From the technical point of view the drivers K 8W, K 10W and K 12W are absolutely identical with the subwoofers that are installed in the K series enclosure subs. Just have a look at the Thiele/Small parameters and you will easily notice that those are designed for compact vented and sealed cabinets, yet leaving plenty of ″headroom″ for designing your own preferred sound characteristic. If you prefer it to play safe, just choose the net volume, port tuning frequency and DSP settings as recommended in the technical data for outstanding bass performance. So what are you waiting for? Start your ″tailor-made subwoofer project″ right now! Power RMS / max. 300 / 600 Watts Impedance 2 x 2 Ω DC resistance Re2 x 1.6 Ω Fs37 Hz Qms3.56 Qes0.46 Qts0.41 Cms262 μm/N Vas17 L B*I10.7 Tm Efficiency 1 W / 1 m SPL 86.0 dB Sd 219 cm² Moving mass Mms69 g Cone material: Hand-scooped paper cone Mechanical resistance Rms4.54 kg/s Voice coil diameter: 50.8 mm Voice coil winding height: 24 mm Xmax+/- 8.0 mm Outer diameterø: 213 mm / 8.38″ Installation diameter: 182 mm / 7.17″ Installation depth: 101 mm / 3.98″.