JL Audio M7-12IB-S-GMTI-4 Marine Subwoofer Driver, Gunmetal Trim Ring, Titanium Sport Grille
M7 12-inch Marine Subwoofer for Infinite-Baffle Use (600 W, 4 Ω) - Gunmetal Trim Ring, Titanium Sport 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.
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).
Like all JL Audio marine speakers, this driver is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.
Diameter : 12 Inch
Sensitivity : 86.7 dB
Impedance : 4 Ohm
RMS Power Range : 600 Watts
Peak Power Handling : 1200 Watts
Color : Gunmetal
Continuous Power Handling (RMS): 600 W
Nominal Impedance (Znom): 4 ohms
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 ohms
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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 replacement within 1 year from the original date of purchase with proper return authorization.
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