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9 Ratings (78% Positive in the last 12 months)
  • $139.95
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Rockville W15K9D2 15" 5000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant

In stock.
Ships from United States.
Features of W15K9D2: Rockville W15K9D2 K9 Series 15 Dual 2-Ohm Car
Subwoofer Peak Power Handling: 5000 Watts Program
Power Handling: 2500 Watts CEA Rated
RMS Power Handling: 1250 Watts 3 4-Layer Black Aluminum Voice Coils Wound with OFC Wire Made in USA. This voice coil is stable up to 240 degrees celcius! The voice coil windings are made in the USA! Double Stacked 190 Oz High Quality Magnet Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight Two Chrome-Plated Binding Post Terminals Black Non-Pressed Paper Cone With Beautiful Finish Our cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power. Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion Red Stitching Cone Reinforcement Ensures Long Life New Ultra-stiff Poly
Propylene (PP)
Dustcap Impedance: Dual 2-Ohm Voice Coils Vented Hole on T-yoke Enhances Heat Dissipation Special Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet Custom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-Tight High BL Magnetic Motor Gap 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 Nomex Spider provides tear resistance, strength and long-term reliability over regular cotton and poly cotton spiders
Cutout Diameter: 14.09 ” inches
Mounting Depth: 8.23 ” inches
Frequency Response: 33 Hz - 1.5K kHz 10mm T-Yoke + 10mm
Washer Sensitivity: 83dB Sealed
Enclosure Volume: 1.75 - 2.9 Cubic Feet Vented/Ported
Enclosure Volume: 2.5 - 3.85
Cubic Feet Weight: 30.25 Lbs.
Shipping Weight: 33.68 Lbs.
Shipping Box Dimensions: 17.72 x 17.72 x 12.4
Inches Detailed Info:
Body: Non-Pressed Paper Gap Plate
Inside Diameter: 95mm ( 3.74 inches) Gap Plate
Outside Diameter: 190mm ( 7.5 inches)
Gap Plate Thickness: 25mm (1 inch) Yoke
Outside Diameter: 180mm ( 7.1 inches)
Yoke Thickness: 10mm ( 0.4 inches) Yoke
Pole Diameter: 75mm (3 inches)
TS Parameters: TS Parameter Wired in Series Wired in Parallel Description of Measurement Electrical Parameters Re 4.25 Ohm 1.06 Ohm Electrical voice coil resistance at DC Le 3.347 mH 0.839 mH Frequency independent part of voice coil inductance L2 5.98 mH 1.504 mH Para-inductance of voice coil R2 9.23 Ohm 2.32 Ohm Electrical resistance due to eddy current losses Cmes 908.86 µF 3636.56 µF Electrical capacitance representing moving mass Lces 19.99 mH 5 mH Electrical inductance representing drive compliance Res 36.04 Ohm 8.97 Ohm Resistance due to mechanical losses fs 37.3 Hz 37.3 Hz Drive resonance frequency Mechanical Parameters (Using Laser) Mms 308.019 g 315.701 g Mechanical mass of drive diaphragm assembly including air load and voice coil Mmd (Sd) 281.29 g 288.973 g Mechanical mass of voice coil and diaphragm without air load Rms 9.402 kg/s 9.683 kg/s Mechanical resistance of total-drive losses Cms 0.059 mm/N 0.058 mm/N Mechanical compliance of drive suspension Kms 16.95 N/mm 17.35 N/mm Mechanical stiffness of driver suspension Bl 18.409 N/A 9.317 N/A Force factor (Bl product) Lambda s 0.012 0.019 Suspension creep factor Loss Factors Qtp 0.845 0.845 Total Q-factor consider all losses Qms 7.685 7.644 Mechanical Q-factor of of drive in free air considering Rms only Qes 0.905 0.906 Electrical Q-factor of drive in free

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