Features of W12K9D2:
- Rockville W12K9D2 K9 Series 12" Dual 2-Ohm Car Subwoofer
- Peak Power Handling: 4000 Watts
- Program Power Handling: 2000 Watts
- CEA Rated RMS Power Handling: 1000 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 PolyPropylene (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: 11.13” inches
- Mounting Depth: 6.85” inches
- Frequency Response: 33 Hz - 1.5K kHz
- 10mm T-Yoke + 10mm Washer
- Sensitivity: 83dB
- Sealed Enclosure Volume: 0.9 – 1.47 Cubic Feet
- Vented/Ported Enclosure Volume: 1.8 – 2.75 Cubic Feet
- XMAX is 28MM
- Weight: 28.67 Lbs.
- Shipping Weight: 33 Lbs.
- Shipping Box Dimensions: 14.57" x 14.57" x 10.83" Inches
- XMAX: 28MM
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:
Series | Parallel | |
Fs | 34.42 Hz | 34.42 Hz |
Qms | 7.88 | 8.10 |
Cms | 0.0727 mm/N | 0.0727 mm/N |
Bl | 18.56 N/A | 9.16 N/A |
Zmin | 5.77 Ω | 1.43 Ω |
Re | 4.20 Ω | 1.20 Ω |
Qes | 0.78 | 0.91 |
Mms | 294.2146 g | 294.2146 g |
dBspl | 84.07 | 83.37 |
L1kHz | 4.76 mH | 1.18 mH |
Sd | 548.0133 cm² | 548.0548 cm² |
Qts | 0.71 | 0.82 |
Rms | 8.07 Ωm | 7.85 Ωm |
VAS | 30.4676 L / 1.08 cu ft | 30.4723 L / 1.08 cu ft |
L10kHz | 1.82 mH | 0.45 mH |
1 YEAR
- UPC:
- 819216020524