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Rockville Destroyer 12D2 12" Competition Car Audio Subwoofer w/USA Voice Coils!

In stock.
Ships from United States.
Overview
Specs
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Features: Rockville DESTROYER 12D2 12 Dual 2-Ohm Car
Subwoofer Peak Power Handling: 8000 Watts Program
Power Handling: 4000 Watts CEA Rated
RMS Power Handling: 2000 Watts Voice Coils are made in the USA! 3” 4-Layer Black Aluminum Voice Coils Wound with Aluminum Wire USA Voice Coils are hands down The Best in the world The voice coils are rated to withstand high temperatures of 300-350C, Triple-Stacked 300 Oz Y35 Magnets. (Y35 is the best grade and they will perform better than most 400 oz magnets) 1-Piece Chrome T-Yoke with Stamped Logo (1 piece t-yokes magnetize better and makes excursion (xmax) better as well as increases the BL rating. BL is basically how much power you get out of the motor and is one of the most important ratings We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight Large 8 Gauge Chrome-Plated Binding Post Terminals (These are the best terminals on the market and they won't oxidize) Black Non-Pressed Paper Cone Our cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power than the competition Extra Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion Silver Stitching Cone Reinforces the Cone and Ensures Long Life Shiny Paper Dustcap (Paper is the best material and can withstand even higher temperatures than polypropylene dustcaps
Impedance: Dual 2-Ohm Voice Coils Special Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet Rubber Mounting Gasket Makes it Easy To Mount the Subwoofer Air-Tight. High BL Magnetic Motor Gap Nomex Spider is resistant to tearing and has the best long-term reliability over regular cotton and poly cotton spiders
Cutout Diameter: 11.65 ” inches
Mounting Depth: 8.66 ” inches 25mm T-Yoke + 15mm Washer Recone kits available at reasonable prices
Sensitivity: dB Sealed
Enclosure Volume: 1.41 - 1.77 Cubic Feet Vented/Ported
Enclosure Volume: 2.12 - 2.83 Cubic Feet
Frequency response: 37 Hz - 1K kHz
Weight: 49.61 Lbs.
Shipping Weight: 54 Lbs.
Shipping Box Dimensions: 15.75 x 15.75 x 14.37
Inches XMAX: 30
MM TS Parameters:?? Parameter Wired in Series Description of Measurement Electrical Parameters Re 3.6 Ohm Electrical voice coil resistance at DC Fo 37.489 Hz Drive resonance frequency Mechanical Parameters (Using Laser) Mms 247.977 g Mechanical mass of drive diaphragm assembly including air load and voice coil Mmd (Sd) 242.091 g Mechanical mass of voice coil and diaphragm without air load Cms 72.683 mm/N Mechanical compliance of drive suspension Bl 21.670 N/A Force factor (Bl product) Loss Factors Qms 2.743 Mechanical Q-factor of of drive in free air considering Rms only Qes 0.448 Electrical Q-factor of drive in free air considering Re only Qts 0.385 Total Q-factor considering Re and Rms only Other Parameters Vas 22.939 Equivalent air volume of suspension n0 0.261 % Reference efficiency (2 pi-radiation using Re) Sd 47.144 cm² Diaphragm area SPL 86.2 dB sensitivity
Detailed Info:
Body: Non-Pressed Paper Cone Gap Plate
Inside Diameter: 85.5 mm ( 3.37 inches) Gap Plate
Outside Diameter: 210mm ( 8.27 inches)
Gap Plate Thickness: 15mm ( 0.59 inch) Yoke
Outside Diameter: 210mm ( 8.27 inches)
Yoke Thickness: 25mm ( 0.98 inches) Yoke
Pole Diameter: 73.9 mm ( 2.91 inches)

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