HiFi subwoofer, 2 x 250WMAX, 2 x 8O High-end speaker with diecast basket, dual voice coil and carbon fibre cone, powerful bass reproduction from bass-reflex cabinets or an especially dry, pulsed sound from very small closed cabinets. Suitable for HiFi, home cinema and top car HiFi. Thiele Small parameters and sound pressure curves for voice coils in parallel or series connection. Specifications: Impedance (Z) 2 x 8O Resonant frequency (fs) 18Hz Max. frequency range f3-2,500Hz Rec. crossover freq. (fmax.) 1,500Hz Music power 2 x 250WMAX Power rating (P) 2 x 150WRMS SPL (1W/1m) 92dB Suspension compl. (Cms) 0.75mm/N Moving mass (Mms) 100g Mech. resistance (Rms) 1.5kg/s Mech. Q factor (Qms) 6.50 Electr. Q factor (Qes) 0.20 Total Q factor (Qts) 0.19 Equivalent volume (Vas) 225 l DC resistance (Re) 2 x 6O/3O Voice coil induct. (Le) 2 x 1.1mH/1.1mH Voice coil diameter 62mm Voice coil former Kapton Voice coil winding height 18.8mm Air gap height 8mm Linear excursion (XMAX) ±5.4mm Eff. cone area (Sd) 495cm2 Volume displacement (Vd) 267.3cm3 Force factor (BxL) 12.1Tm Reference efficiency (No) 1.3% Magnet diameter 180mm Magnet weight 1.8kg Mounting cutout Ø 272mm Mounting depth 130mm Dimensions Ø 308mm Weight 6.0kg Rec. net cabinet volume Closed - (with series resistor only) Bass-reflex > 50 l
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