Nominal diameter

•  0,75" (19mm) (1)
•  1" / 25,4mm (6)
•  1,3" (32mm) (1)
•  1,4" (36mm) (2)
•  2" (50mm) (1)
•  4" (100mm) (7)
•  5" (130mm) (2)
•  8" (200mm) (1)
•  10" (250mm) (12)
•  12" (300mm) (6)
•  15" (380mm) (2)

Magnet material

•  ferryt / ferrite (2)
•  neodym / neodymium (1)

Voice coil diameter

•  1" (25mm) (1)
•  1,2"/0,55" (30mm/14mm) (1)
•  1,5" (38mm) (1)
•  1,8" (45mm) (3)
•  1,25" (32mm) (1)
•  2" (51mm) (7)
•  2,5" (65mm) (1)