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Alpine R2-W12D4 2nd Gen specifications.
Car speakers Specs << Alpine << Alpine R2-W12D4 2nd Gen| Specification | | | Reviews |
Subwoofer Alpine R2-W12D4 2nd Gen
Subwoofer Size:
12"
Peak Power Handling:
2250 watts
RMS Power Handling:
750 watts
Voice Coil(s):
Dual
Impedance (Per Voice Coil):
4 ohms
Voice Coil Diameter:
2.6"
Frequency Response:
24 - 200 Hz
Sensitivity:
84.6 dB
Xmax (millimeters):
20 mm
Subwoofer Design:
Round / Circle
Main Cone Color:
Black
Woofer Composition:
Kevlar Reinforced Pulp Paper
Woofer Surround:
High-Amplitude Multi-Roll (H.A.M.R)
Magnet Structure:
Double Stacked
Magnet weight:
144 oz.
Magnet Type:
Ferrite
Re-Cone Kit Available:
No
CTA-2031 Compliant:
Yes
Recommended Enclosure Alpine R2-W12D4 2nd Gen
Minimum Sealed Box Volume:
.55 cubic feet
Maximum Sealed Box Volume:
1.0 cubic feet
Minimum Ported Box Volume:
1.71 cubic feet
Maximum Ported Box Volume:
1.83 cubic feet
Top-Mount Depth (Mounting Depth):
6.5"
Cutout Diameter:
10.88"
Shallow Mount Installation:
No
Electromechanical Parameters Alpine R2-W12D4 2nd Gen
Equivalent Compliance (Vas):
32.8 liters
Total Speaker Q Value (Qts):
.51
Electrical Q Value (Qes):
.55
Electrical Resistance of Voice Coil (Re):
3.5 ohms
Mechanical Q Value (Qms):
6.51
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