Specification Sheet

• Size: 12”
• Weight: 50 lbs
• Dimensions: 17” x 14.625” x 15”
• Frequency Response: 24Hz - 200Hz
• Power Range: 300W - 750W RMS
• Power Handling: 750W RMS / 2250W Peak
• Magnet Weight: 144 oz
• Voice Coil Diameter: 65.5 mm (2.6”)
• Linear Excursion (Xmax): 20 mm
GENERAL SPECS
THIELE-SMALL PARAMETERS
• Sensitivity (1W/1m): 85 dB
• DC Resistance (R
e
): 1.9∆ + 1.9∆
• Free Air Resonance (F
s
): 29 Hz
• Equivalent Stiffness: 36.9 L
• Mechanical Q (Q
ms
): 6.32
• Electrical Q (Q
es
): 0.44
• Total Q (Q
ts
): 0.41
• Cone Area (S
d
): 479 cm
2
• Linear Excursion (X
max
): 20 mm
• Mechanical Travel (X
mech
): 72 mm
PROLINK™ LINKING KIT
R2-SB12V
www.alpine-usa.com
@alpineusa
12” Alpine Halo R-Series “R2” Preloaded Subwoofer Enclosure with ProLink™