Średnica / Nominal diameter

•  3" (70mm) (1)
•  4" (100mm) (1)
•  12" (300mm) (1)

Impedancja / Nominal impedance

•  4 Ohm (1)
•  8 Ohm (3)
•  16 Ohm (2)

Materiał magnesu / Magnet material

•  ferryt / ferrite (3)
•  neodym / neodymium (8)

Średnica cewki / Voice coil diameter

•  0,75" (20mm) (1)
•  1" (25mm) (1)
•  2" (51mm) (1)