JL Audio M7-12IB-C-GwGw-4 12" 600W RMS 4 Ohms Marine Subwoofer Driver, Gloss White Trim Ring, Gloss White Classic Grille
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•One 12" Marine subwoofer
•Six 1-5/8" Stainless-steel screws
•6 Stainless-steel flat washers
M7 12-inch Marine Subwoofer for Infinite-Baffle Use (600 W, 4 Ω) - Gloss White Trim Ring, Gloss White Classic Grille Engineered as the reference standard for marine subwoofer performance, the M7-12IB is capable of producing staggering amounts of jaw-dropping bass in infinite-baffle applications. ike all JL Audio marine speakers, this driver is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.
Rugged Suspension System
Built to withstand real-world marine duty, this M7-12IB is designed to operate without a dedicated enclosure. It boasts a monstrous 4-inch voice coil and rugged suspension system to deliver outstanding linear excursion for high output and power handling. M7-12IB is best used with amplifier power in the 200W – 600W range and is optimized to operate with a large volume of air behind it (at least 3 cu. ft. / 84.95 l).
Diameter : 12 Inch
Sensitivity : 86.7 dB
Impedance : 4 Ohm
RMS Power Range : 600 Watts
Color : White
Mounting Depth : 7.94 Inches
Continuous Power Handling (RMS): 600 W
Nominal Impedance (Znom): 4 Ohms
Nominal Diameter: 12.00 in / 300 mm
Overall Diameter: 14.00 in / 356 mm
Bolt Hole Circle Diameter: 12.813 in / 325 mm
Frontal Grilles Protrusion*: 1.45 in / 37 mm
Mounting Hole Diameter: 12.0625 in / 306 mm
Mounting Depth: 7.94 in / 202 mm
Driver Displacement: 0.148 cu ft / 4.19 L
Net Weight: 25.35 lbs / 11.5 kg
*Frontal grille protrusion measured from mounting surface
Free Air Resonance (Fs); 35.34 Hz
Electrical “Q” (Qes): 0.856
Mechanical “Q” (Qms): 10.389
Total Speaker “Q” (Qts): 0.791
Equivalent Compliance (Vas): 1.99 cu ft / 56.35 L
One-Way Linear Excursion (Xmax)*: 0.73 in / 18.5 mm
Reference Efficiency (no): 0.28%
Efficiency (1 W / 1 m)**: 86.7 dB SPL
Effective Piston Area (Sd): 80.54 sq in / 0.052 sq m
DC Resistance (Re): 3.543 Ω
Infinite Baffle Use: Yes (preferred)
Min. Sealed Enclosure Volume: 2.0 cu ft / 56.6 L (or larger)
Optimum Sealed Enclosure Volume: 3.0 cu ft / 70.8 L
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Warranty: 2 Years Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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