JL Audio M7-12IB-C-GwGw-4 - 12" (300 mm) Marine Subwoofer Driver, Gloss White Trim Ring, Gloss White Classic Grille, 4 Ω
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.
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.
|Continuous Power Handling (RMS)||600 W|
|Nominal Impedance (Znom)||
|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|
|Nominal Diameter||12.00 in / 300 mm|
|Overall Diameter (A)||14.00 in / 356 mm|
|Bolt Hole Circle Diameter (B)||12.813 in / 325 mm|
|Frontal Grilles Protrusion* (C)||1.45 in / 37 mm|
|Mounting Hole Diameter (D)||12.0625 in / 306 mm|
|Mounting Depth (E)||7.94 in / 202 mm|
|Driver Displacement||0.148 cu ft / 4.19 L|
|Net Weight||25.35 lbs / 11.5 kg|