460 mm (18 in). 460 mm (18.11 in). 440 mm (17.32 in). 422 mm (16.61 in). 202 mm (7.95 in). Flange and Gasket Thickness. 14 mm (0.55 in). 6.6 kg (14.6 lb). 503 x 500 x 258 mm (19.8 x 19.7 x 10.2 in). 7.8 kg (17.2 lb). 100 mm (4 in). 23 mm (0.91 in). 12 mm (0.47 in). NET Air Volume filled by Loudspeaker. 5.8 dm^3 (0.205 ft^3). 2x non-adjacent symmetrical constant height waves. THIELE AND SMALL PARAMETERS. 204.9 dm^3 (7.24 ft^3). 1212 cm^2 (187.86 in^2). Push Terminals – 8 Ohm Version. 2 Hours Test According to AES 2-1984 Rev. Maximum power is defined as 3dB greater than nominal power. Xmax= [(winding depth – magnetic gap depth)/2] + (magnetic gap depth/3). Maximum excursion before permanent damage.