Need help finding info on old Rockford fosgate series 1 sub. Google wasn't much help : r/CarAV
Rockford Fosgate Series 1 one subwoofer S1 124 specs TS parameters for box design 12 inch oldschool - YouTube
Rockford Fosgate T1S-1X12 Power Series 1-Ohm Truck-Style 12" T1 Sealed Enclosure
Rockford Fosgate Power T1D212 12" Component Subwoofer with Dual 2-Ohm Voice Coil
Rockford Fosgate Power T1D412 12" dual 4-ohm voice coil component subwoofer and Rockford Fosgate T1500-1bdCP Power Series mono sub amplifier — 1,500 watts RMS x 1 at 2 ohms and a SOTS Lanyard
Power 10" T1 Slim Single 1-Ohm Subwoofer | Rockford Fosgate ®
Rockford Fosgate 15" Car Subwoofer USA Made-RARE VINTAGE COLLECTIBLE | eBay
2) ROCKFORD FOSGATE R2SD2-10 10 800W Car Shallow/Slim Subwoofers Subs R2SD210, 1 Piece - Gerbes Super Markets
Rockford Fosgate Power 10" T1 Slim Single 1-Ohm Subwoofer - T1S1-10
Rockford Fosgate Pair of 2 Punch P1 15" 1000W 4-Ohm SVC Subwoofers | 2 x P1S4-15 : Electronics - Amazon.com
Rockford Fosgate Series 1 Sub-Woofer for Sale in Corpus Christi, TX - OfferUp
Rockford Fosgate - Two Punch P3 12" Subwoofers In A Ported Enclosure With A Punch Series P1000x1bd Amplifier : Target