DIY build dual Alpine 1243 Type R in 6 cubic foot ported box.
Enclosure : Ported Front-Firing / 10" Poly Cone with Foam Surround / Freq. Response : 35Hz-150Hz / Amp. Power : 115 Watts RMS / Finish : Black Includes free 1-year subscription to the Merriam-Webster Collegiate Web site
Peak power 900 watts, 2-ohm dual voice coils, santoprene® surround, pulp cone with reinforced kevlar, stamped steel basket.
Want great performance from a sub that won't take up that much room? The new Alpine Type-S subwoofers feature a shallow mounting depth design, so you can get tight accurate bass in smaller spaces. An advanced airflow system including a stamped steel basket design with leg venting cooling keeps the bass going while keeping your sub cooler. Round out your system with the Type-S sub, and...
Peak: 900 watts, RMS: 300 watts, Impedance: 2-Ohm, Kevlar reinforced pulp cone woofer, Injection molded Santoprene® rubber surround, 2-Piece Structural Parabolic diaphragm design, 3/8" high-density MDF
MADE FROM A UV-RESISTANT POLYPROPYLENE WOOFER CONE STAINLESS STEEL HARDWARE GOLD-PLATED SPEAKER TERMINALS & ABS BASKET & GRILL CONFORMS TO ASTM B117 STANDARD FOR SALT & WATER MOISTURE FLUSH MOUNT WITH INTEGRAL GRILL MAGNETICALLY SHIELDED TO PREVENT DISRUPTION OF MARINE INSTRUMENTATION FREQ RESP: 40 HZ?3000 HZ SENSITIVITY 90 +/-3 DB