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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 WireUSA 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: 86.2 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) 242.091g 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 86.2dB sensitivity
Detailed Info:
Body: Non-Pressed Paper Cone
Gap Plate Inside Diameter: 85.5mm (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: 73.9mm (2.91 inches)
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