JL AUDIO 12 Inch Marine Subwoofer Driver with Transflective LED Lighting - M7-12IB-S-GmTi-i-4
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JL AUDIO 12 Inch Marine Subwoofer Driver with Transflective LED Lighting - M7-12IB-S-GmTi-i-4
M7-12IB-S-GmTi-i-4
M7 12-inch Marine Subwoofer with Transflective™ LED Lighting for Infinite-Baffle Use (600 W, 4 Ω) - Gray Metallic 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.
The patent-pending Transflective™ RGB LED technology emits a smooth lighting effect through the woofer cone, with a choice of several lighting colors. Add an optional RGB controller to create thousands of color variations. Professional installation is strongly recommended.
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.
General Specifications
| Continuous Power Handling (RMS) | 600 W |
| Nominal Impedance (Znom) | 4 Ω |
Physical Specifications
| 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) | 1.48 in / 38 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 lb / 11.5 kg |
| *Frontal grille protrusion measured from mounting surface |
Parameters
| 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 |
|
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other subwoofers to determine which one is "louder". |
Enclosure Specifications
| 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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