DS18 ZR8.4D 8" Subwoofer | 450W Rms 4-ohm DVC

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Retail Price:$114.95

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Part Number: ZR8.4D

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Description

The ZR8.4D is a great entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle.

The ZR8 model comes in both dual 2 and dual 4 ohms configurations giving you many options to match your amplifiers optimal impedance. The ZR8.4D comes with a 2 inch voice coil that handles 450w RMS and 900w max power. The large foam surround and pressed paper cone works greatly together to deliver smooth crisp bass that can be heard strongly throughout the vehicle.

Highlights

Large foam surround giving great xmax and bass precision while keeping great cone control when the subwoofer is close to maximum power.
Great power handling of 450w RMS and 900w max through a high strength 2 inch aluminum voice coil.
Very strong stamped basket with show quality DS18 logos on the frame, magnet boot, motor, and dust cap.
Designed to give crisp and clear bass in any vehicle and can be used in sealed and ported boxes.

Specifications:

Nominal Diameter 8”
Nominal Impedance 4+4 Ohms
RMS Power Handling 450W
MAX Power Handling 900W
Sensitivity (1w/1m) 82 dB
Frequency Response 33Hz - 200 Hz
Recommended Lo Pass Crossover 120 Hz

Motor:

Voice Coil Diameter 2” / 50.8mm
VC Former Material Aluminum
Winding Material Copper
Cone Material Non Pressed Paper
Dust Cap Material PPI
Surround Material Foam
Basket Material Steel
Basket Color/Finish Matte Black
Magnet Material Ferrite
Magnet Weight 55 oz
Displacement Volume 0.03 ft3

Thiele & Small Parameters:

Equivalent Volume 5.74 L
Excursion (one way) 18mm
Free Air Resonance 40Hz
Mechanical Factor 4.38
Electrical Factor 0.66
Total Factor 0.57
Moving Mass 112.72g
Compliance 105.133 m/N
BL Factor 6.67
Voice Coil Inductance .373.76m mH
Cone Area 196 Cm2
DC Resistance 4+4 ohm
Efficiency Bandwidth Product 60.6

Measurements:

Overall Diameter 8.42” / 214mm
Overall Depth 5.3” / 134mm
Front Mount Baffle Cutout 7.24” / 184mm
Mounting Depth 4.4” / 111.4mm
Motor Diameter 5.7" / 145mm

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DS18 ZR8.4D 8" Subwoofer | 450W Rms 4-ohm DVC

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