Średnica / Nominal diameter

•  8" (200mm) (1)
•  10" (250mm) (2)
•  12" (300mm) (3)
•  15" (380mm) (4)
•  18" (460mm) (6)
•  21" (530mm) (1)

Impedancja / Nominal impedance

•  4 Ohm (1)
•  8 Ohm (1)