Średnica / Nominal diameter

•  3" (70mm) (1)
•  8" (200mm) (2)
•  10" (250mm) (1)
•  12" (300mm) (2)
•  15" (380mm) (1)
•  18" (460mm) (3)

Impedancja / Nominal impedance

•  4 Ohm (1)
•  8 Ohm (10)
•  16 Ohm (2)