6 3/4" - 6" - 4 3/4" X 5 5/8" (171mm - 152mm - 121mm X 143mm)

(front crown) MIVA      

(rear crown) M 315 CA

Picture courtesy Don Mecklenborg

6 3/4" - 6" - 4 3/4" X 5 5/8" (171mm - 152mm - 121mm X 143mm)

(front crown) MIVA      

(rear crown) M 315 CA

Picture courtesy Don Mecklenborg

6 3/4" - 5 7/8" - 4 7/8" X 5 1/2" (171mm - 149mm - 124mm X 140mm)

(front crown) MIVA      

(rear crown) A 318 CA 

Picture courtesy Shaun Kotlarsky

7" - 5 1/2" - 4 3/4" X 5 1/2" (178mm - 140mm - 121mm X 140mm)

(front crown) FIDENZA

(rear crown) N 15-B   

Picture courtesy Bob Berry