Nominal diameter

•  0,75" (19mm) (1)
•  1" / 25,4mm (6)
•  1,3" (32mm) (1)
•  2" (50mm) (1)
•  4" (100mm) (7)
•  5" (130mm) (1)

Voice coil diameter

•  0,75" (20mm) (12)
•  1" (25mm) (1)
•  2,5" (65mm) (2)
•  3" (75mm) (6)
•  4" (100mm) (2)
•  4,5" (115mm) (3)
•  5,3" (134mm) (2)