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"Special Speakers of the Blue Component Series from IMG Stage Line / Subwoofer with extra low limit frequency, but at the same time of optimum high efficiency, mechanically ultra-stable due to double centering spiders - professional bass speakers for extra subwoofer power. / Professional PA subwoofer, 2,000WMAX, 8 Ohm / With double centering and parameters for an ultimatively deep bass reproduction, even in moderate cabinets. Nevertheless, the efficiency is outstandingly high. The long excursion allows the stable mechanical conversion of the extra high power rating, a subwoofer for a really deep sound. Suitable for any professional application, from discotheque to stage. / Impedance (Z): 8 Ohm / Resonant frequency (fs): 36Hz / Max. / Frequency range: f3-1,800Hz / Rec. crossover freq. (fmax.): 750Hz / Music power: 2,000WMAX / Power rating (P): 500WRMS / SPL (1W/1m): 98dB / Suspension compl. (Cms): 0.13mm/N / Moving mass (Mms): 141g / Mech. resistance (Rms): 6.9kg/s / Mech. Q factor (Qms): 4.75 / Electr. Q factor (Qes): 0.54 / Total Q factor (Qts): 0.48 / Equivalent volume (Vas): 250 l / DC resistance (Re): 6 Ohm / Voice coil induct. (Le): 1.65mH / Voice coil diameter: 100mm / Voice coil former: Kapton / Voice coil winding height: 20mm / Air gap height: 8mm / Linear excursion (XMAX): plus 6mm / Eff. cone area (Sd): 1,163cm2 / Volume displacement (Vd): 698cm3 / Force factor (BxL): 17.49Tm / Reference efficiency (No): 2.25% / Magnet diameter: 238mm / Magnet weight: 2.6kg / / Mounting cutout: Ø 420mm / Mounting depth: 205mm / Dimensions: Ø 470mm / Weight: 11.1kg / Rec. net cabinet volume: Closed: 120 l / Bass-reflex: > 150 l / "