Alpine SWR-1521D 15" subwoofer with dual 2-ohm voice coils at Crutchfield
15 Inch Alpine Type R - YouTube
Alpine Type-R SWR-1542D 2000W Peak 15" Type-R Series Dual 4-Ohm Sub
Alpine Type R 15 Box Design - ecoustics.com
Alpine SWR-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine SWR-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine Type-R SWR-1542D 2000W Peak 15" Type-R Series Dual 4-Ohm Sub
Need help with Box Dimensions for a Single Sealed Enclosure for an Alpine 15" Type R Subwoofer. Have supplies to build it. Will be in the backseat of an Extended Cab 1994
Alpine SWR-1521D 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine SWR-1243D - Type-R Subwoofers
Alpine SWR-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield