Nominal diameter

•  1" / 25,4mm (1)
•  2" (50mm) (3)
•  3" (70mm) (9)
•  5" (130mm) (2)
•  6,5" (165mm) (5)
•  8" (200mm) (3)
•  10" (250mm) (2)
•  12" (300mm) (1)

Voice coil diameter

•  1,5" (38mm) (1)
•  1,8" (45mm) (1)
•  2" (51mm) (3)
•  2,5" (65mm) (6)
•  3" (75mm) (11)
•  4" (100mm) (3)