FS: Alpine Type R 15" Subwoofer (1542 dual 4ohm) - Car Parts - PakWheels Forums
Alpine SWR-1542D Type-R 15" subwoofer with dual 4-ohm voice coils at Crutchfield
Ported (Recessed) Sub Box Enclosure for 1 15" Alpine Type-R SWR Subwoofer -32 hz | eBay
NEW ALPINE SWR-1542D TYPE R 15" 2000w DVC SUB SUBWOOFER - Walmart.com
Alpine Type R 15's - YouTube
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-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield