Średnica / Nominal diameter

•  0,75" (19mm) (1)
•  1" / 25,4mm (6)
•  1,3" (32mm) (1)
•  2" (50mm) (1)
•  4" (100mm) (7)
•  5" (130mm) (1)
•  6,5" (165mm) (6)
•  8" (200mm) (1)
•  12" (300mm) (1)
•  15" (380mm) (1)

Średnica cewki / Voice coil diameter

•  1,5" (38mm) (1)
•  1,8" (45mm) (3)
•  2" (51mm) (7)
•  2,5" (65mm) (1)