2.58" Alpine Type R Voice Coil Dual 4 Ohm   

Fits the following Alpine models:

SWR-10D4, R-W10D4 , SWR-1043D, SWR-12D4, SWR-1243D, R-W12D4

  • Former Height: 3.60"  (91.44mm)
  • Winding Width: 1.75"  (44.45mm)
  • Outer Diameter: 2.74"  (69.59mm)
  • Inner Diameter: 2.58"  (65.32mm)
  • Impedance: Dual 4 Ohm
  • Layers: 4 
  • Former Material: Black Anodized Aluminum
  • Wire Material / Type: Round Copper