Physical Dimensions: Overall (together without mount): 8 11/16 x 7 1/2 x 1 in. (22 x 19.1 x 2.5 cm)
Overall (a): 7 1/8 x 4 5/16 x 13/16 in. (18.1 x 10.9 x 2 cm)
Overall (b): 6 7/8 x 4 5/16 x 13/16 in. (17.5 x 10.9 x 2 cm)
Overall (c): 7 3/16 x 4 5/16 x 1 in. (18.2 x 10.9 x 2.5 cm)
Overall (with old mount): 9 5/8 x 21 1/2 x 1 in. (24.4 x 54.6 x 2.5 cm)