Crossover (8) 1.2 kHz Parameters Fs 44 Hz Re 5.1 ohm Qes 0.46 Qms 6.7 Qts 0.43 Vas 162 dm3 (5.7 ft3) Sd 855 cm2 (132.5 in2) Eta Zero 2.8 % Xmax +/- 4.5 mm Xvar +/- 5.5 mm Mms 84 g Bl 15.9 Txm Le 1.1 mH Mounting and Shipping Info Overall Diameter 394 mm (15.5 in) Bolt Circle Diameter 374 mm (14.7 in) Baffle Cutout Diameter 355 mm (14 in) Depth 219 mm (8.6 in) Flange and Gasket Thickness 16 mm 8 (5/8 in) Net Weight 12.1 kg (26.6 lb) Shipping Weight 13.5 kg (29.7 lb) Shipping Box 450x450x290 mm (17.7x17.7x11.4 in) Crossover —4kHl — eiiKr -18 HHZ Model XO-4 Filter Type Two way Nominal Impedance 8 Ohm Crossover Frequency 1.2 kHz Slope 6 dB/oct. (Low) 12 db/oct. with eq. (High) Overall Dimensions 142x107 mm (5.6x4.2 in) Weight 0.6 kg (1.3 lb) -I Included by -6 dB down points, averaged from 1 kHz to 8 kHz with B&C XO-4 crossover filter. 2 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. 3 2 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range . Power calculated on rated minimum impedance. Loudspeaker in free air. ^Power on Continuous Program is defined as 3 dB greater than the Nominal rating. ^Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. ®2 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range . Power calculated on rated minimum impedance. Loudspeaker in free air. ^Power on Continuous Program is defined as 3 dB greater than the Nominal rating. ®12 dB/oct. or higher slope high-pass filter....