Średnica cewki / Voice coil diameter

•  0,75" (20mm) (1)
•  1" (25mm) (2)
•  1,5" (38mm) (4)
•  1,8" (45mm) (4)
•  2" (51mm) (7)
•  2,5" (65mm) (13)
•  3" (75mm) (9)
•  4" (100mm) (16)
•  4,5" (115mm) (1)