(2) Rockville K5 W12K5S4 12" 1400 Watt 4 Ohm Car Audio Subwoofers CEA Rated Subs

Package Includes:

(2) Rockville K5 W12K5S4 12" 1400w 4 Ohm Car Audio Subwoofer Sub 350w RMS CEA Rated!

Video of K5 SERIES:

Features:

• Rockville W12K5S4 K5 Series 12" 4-Ohm Car Subwoofer
• Peak Power Handling: 1400 Watts
• Program Power Handling: 700 Watts
• CEA Rated RMS Power Handling: 350 Watts
• 2" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire
• The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire
• 50 Oz High Quality Magnet
• Cast Iron Basket With Black Sanded Finish
• Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it
• Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion
• Blue Stitching Cone Reinforcement Ensures Long Life
• Paper Dustcap is light weight and efficient helping the sub to play louder even if your amp is not so powerful
• Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire
• Impedance: Single 4-Ohm Voice Coils
• Vented Hole on T-yoke Enhances Heat Dissipation
• Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet
• Mounting Gasket with Rockville branding looks great 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: 11.02” inches
• Mounting Depth: 5.03” inches
• Frequency Response: 25 Hz - 1.5K kHz
• 6mm T-Yoke + 6mm Washer
• Sensitivity: 88dB
• Sealed Enclosure Volume: 0.8 – 1.3 Cubic Feet
• Vented/Ported Enclosure Volume: 1.3 – 2.0 Cubic Feet
• Weight: 10.1 Lbs.
• Shipping Weight: 11.6 Lbs.
• Shipping Box Dimensions: 13.78" x 13.78" x 8.97" 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: 25mm (0.98 inches)
• Yoke Outside Diameter: 145mm (5.7 inches)
• Yoke Thickness: 6mm (0.23 inches)
• Yoke Pole Diameter: 50mm (2 inches)

T/S Parameters (Tested on a Klippel):

Electrical Parameters

 

 

 

Re

3.31

Ohm

electrical voice coil resistance at DC

Le

0.944

mH

frequency independent part of voice coil inductance

L2

1.468

mH

para-inductance of voice coil

R2

14.7

Ohm

electrical resistance due to eddy current losses

Cmes

871.67

µF

electrical capacitance representing moving mass

Lces

20.9

mH

electrical inductance representing driver compliance <