Video of W12K6D4 V2:
Features: Rockville W12K6D4 V2 K6 Series 12 Dual 4-Ohm Car
Subwoofer Peak Power Handling: 2400 Watts Program
Power Handling: 1200 Watts CEA Rated
RMS Power Handling: 600 Watts 2.5 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire The wire we use is made in the USA! It is one of the most important components to make the sub high quality and last longer Double Stacked 100 Oz High Quality Magnet Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion Red Stitching Cone Reinforcement Ensures Long Life Polypropylene (PP) Dustcap Two Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire
Impedance: Dual 4-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
Cutout Diameter: 11.125 ” inches
Mounting Depth: 5.75 ” inches
Frequency Response: 27 Hz - 1.5K kHz 8mm T-Yoke + 8mm
Washer Sensitivity: 85dB Sealed
Enclosure Volume: 1.0 - 1.5 Cubic Feet Vented/Ported
Enclosure Volume: 1.65 - 2.5
Cubic Feet Weight: 17.64 Lbs.
Shipping Weight: 22.05 Lbs.
Shipping Box Dimensions: 15.75 x 15.75 x 13.6 Inches?
Detailed Info:
Body: Non-Pressed Paper Gap Plate
Inside Diameter: 80mm ( 3.14 inches) Gap Plate
Outside Diameter: 156mm ( 6.14 inches)
Gap Plate Thickness: 20mm ( 0.8 inches) Yoke
Outside Diameter: 145mm ( 5.71 inches)
Yoke Thickness: 8mm ( 0.31 inches) Yoke
Pole Diameter: 60mm ( 2.4 inches)
TS Parameters: TS Parameter Wired in Series Wired in Parallel Description of Measurement Electrical Parameters Re 8.58 Ohm 2.14 Ohm Electrical voice coil resistance at DC Le 6.549 mH 1.646 mH Frequency independent part of voice coil inductance L2 9.015 mH 2.289 mH Para-inductance of voice coil R2 14.79 Ohm 3.72 Ohm Electrical resistance due to eddy current losses Cmes 451.49 µF 1832.58 µF Electrical capacitance representing moving mass Lces 35.18 mH 8.68 mH Electrical inductance representing drive compliance Res 56.58 Ohm 14.09 Ohm Resistance due to mechanical losses fs 39.9 Hz 39.9 Hz Drive resonance frequency Mechanical Parameters (Using Laser) Mms 219.823 g 219.582 g Mechanical mass of drive diaphragm assembly including air load and voice coil Mmd (Sd) 206.885 g 206.644 g Mechanical mass of voice coil and diaphragm without air load Rms 8.605 kg/s 8.505 kg/s Mechanical resistance of total-drive losses Cms 0.072 mm/N 0.072 mm/N Mechanical compliance of drive suspension Kms 13.84 N/mm 13.81 N/mm Mechanical stiffness of driver suspension Bl 22.065 N/A 10.946 N/A Force factor (Bl product) Lambda s - 0.013 0 Suspension creep factor Loss Factors Qtp 0.873 0.885 Total Q-factor consider all losses Qms 6.41 6.475 Mechanical Q-fa