Owner's Manual
Page 4
... mm (9-1/8") φ 272 mm (10-3/4") Depth B 113.5 mm (4-1/2") 113.5 mm (4-1/2") Depth C 109 mm (4-1/4") 109 mm (4-1/4") Diameter D φ 204 mm (8") φ 245 mm (9-5/8") * The size differs depending on the ceiling for installing the speakers in -ceiling speakers, be distorted. See the following is sufficient space on the model. Refer to the above...
... mm (9-1/8") φ 272 mm (10-3/4") Depth B 113.5 mm (4-1/2") 113.5 mm (4-1/2") Depth C 109 mm (4-1/4") 109 mm (4-1/4") Diameter D φ 204 mm (8") φ 245 mm (9-5/8") * The size differs depending on the ceiling for installing the speakers in -ceiling speakers, be distorted. See the following is sufficient space on the model. Refer to the above...