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All Component Subwoofers Comparison

Polk Audio db840DVC

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Condition New Stock
Size
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8 -inch
Impedance
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4 ohms
Cone Material
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Polypropylene
Surround Material
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Santoprene rubber
Ideal Sealed Box Volume (cubic feet)
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0.35
Ideal Ported Box Volume (cubic feet)
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0.6
Port diameter (inches)
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3
Port length (inches)
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11
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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85 dB at 1 watt
Frequency Response
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30 - 200 Hz
RMS Power Range (Watts)
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50-180
Peak Power Handling (Watts)
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360
Top Mount Depth (inches)
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4
Bottom Mount Depth (inches)
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4 3/8
Cutout Diameter or Length (inches)
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7 1/16
Vas (liters)
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15.8
Fs (Hz)
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43
Qts
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0.59
Xmax (millimeters)
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6.1
Parts Warranty
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1 Year
Labor Warranty
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1 Year
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