2) Rockville K5 W8K5S2 8" 800 Watt 2 Ohm Car Subwoofers+Vented Sub Box Enclosure

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Product Description
Package Includes:
  • (2) Rockville K5 W8K5S2 8" 800w 2 Ohm Car Audio Subwoofer Sub 200w RMS CEA Rated!
  • (1) Rockville RQB8 Dual 8" Vented Subwoofer Sub Box Enclosure Finished w/Bed Liner
  • 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
  • 20 Feet of 14 AWG Blue Speaker Wire
  • 4 Spade Terminals

Video of K5 SERIES:

Features of W8K5S2:

  • Rockville W8K5S2 K5 Series 8" 2-Ohm Car Subwoofer
  • Peak Power Handling: 800 Watts
  • Program Power Handling: 400 Watts
  • CEA Rated RMS Power Handling: 200 Watts
  • 1.5" 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
  • 30 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 Dust cap 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 2-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: 7.16 inches
  • Mounting Depth: 3.54 inches
  • Frequency Response: 37 Hz - 1.3K kHz
  • 5mm T-Yoke + 5mm Washer
  • Sensitivity: 84.2dB
  • Sealed Enclosure Volume: 0.35 – 0.85 Cubic Feet
  • Vented/Ported Enclosure Volume: 0.6 – 1.2 Cubic Feet
  • Weight: 5.2 Lbs.
  • Shipping Weight: 6.5 Lbs.
  • Shipping Box Dimensions: 10.25x 10.25 x 8.1 Inches

Detailed Info:

  • Body: Non-Pressed Paper
  • Gap Plate Inside Diameter: 60mm (2.36 inches)
  • Gap Plate Outside Diameter: 120mm (4.72 inches)
  • Gap Plate Thickness: 25mm (0.98 inches)
  • Yoke Outside Diameter: 114mm (4.48 inches)
  • Yoke Thickness: 5mm (0.20 inches)
  • Yoke Pole Diameter: 38mm (1.5 inches)

T/S Parameters (Tested on a Klippel):

Electrical Parameters

 

 

 

Re

2

Ohm

electrical voice coil resistance at DC

Le

0.697

mH

frequency independent part of voice coil inductance

L2

0.801

mH

para-inductance of voice coil

R2

8.77

Ohm

electrical resistance due to eddy current losses

Cmes

1160.09

µF

electrical capacitance representing moving mass

Lces

10.62

mH

electrical inductance representing driver compliance

Res

22.59

Ohm

resistance due to mechanical losses

fs

45.3

Hz

driver resonance frequency

 

 

 

 

Mechanical Parameters

 

 

 

(using laser)

 

 

 

Mms

59.395

g

mechanical mass of driver diaphragm assembly including air load and voice coil

Mmd (Sd)

56.173

g

mechanical mass of voice coil and diaphragm without air load 

Rms

2.267

kg/s

mechanical resistance of  total-driver losses

Cms

0.207

mm/N

mechanical compliance of driver suspension

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