8" CAST ALUMINUM FRAME 4 OHM CERWIN VEGA SPEAKER SUBWOOFER- HOME AUDIO CAR

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Just got these in and no information, except the box is marked P/N 8W3 which doesn't work as a Cerwin Vega number Other numbers on the boxes are DDPD and LSCGS1140. Thet are a 8" cast aluminum frame and measure out at 4 Ohm Heavy duty weigh about 9 lbs 1 866 4 APEX JR ----- Additional info: Re 3.14 [Ohms] Fs 44.41 [Hz] Zm 21.12 [Ohms] BL 0.00 [N/A] Qms 2.486 Qes 0.434 Qts 0.369 Vas 0.000 [liters] L10k 0.30 [mH] n0 0.00 [%] dBSPL 0.00 [1W/1m] Ms 0.00 [grams] Cms 0.00 [mm/N]This is a 4 Ohm 8" Aluminum Cast Frame Speaker that was used by CV in the SL-28 tower speaker. It is designed for a ported enclosue of .92 cubic feet. The SL-28 used 2 of these drivers in a TMM configeration in a 1.85 cubic foot enclosure. We recommend a port size of 3" diameter x 8" length for a single driver and 3" x 3" in a cabinet with 2 drivers. Cerwin Vega rated this driver to go down to 35hz so this would make a great sub!