JL Audio JLM7-12IB-S-GMTI-4: 12" M7-Series Gun Metal / Titanium Infinite-Baffle Sport Marine Subwoofer
- In stock, ready to ship
Available to order, usually ships within 5 - 7 days.
Features:
- Engineered as the reference standard for Marine Subwoofer performance, the JLM7-12IB-S-GMTI-4 is capable of producing staggering amounts of jaw dropping bass in Infinite-Baffle applications.
- Built to withstand real world Marine duty, this JLM7-12IB-S-GMTI-4 is designed to operate without a dedicated enclosure.
- It boasts a monstrous 4" voice coil and rugged suspension system to deliver outstanding linear excursion for high output and power handling.
- JLM7-12IB-S-GMTI-4 is best used through amplifier power in the 200 – 600 W range and is optimized to operate through a large volume of air behind it (at least 3 cubic FT / 85 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" / 300 mm |
| Overall diameter (A): | 14" / 356 mm |
| Bolt hole circle diameter (B): | 12.8" / 325 mm |
| Frontal grilles protrusion (C): | 1.5" / 37 mm |
| Mounting hole diameter (D): | 12.1" / 306 mm |
| Mounting depth (E): | 7.9" / 202 mm |
| Driver displacement: | 0.2 cubic FT / 4.2 L |
| Net weight: | 25.4 lbs / 11.5 kg |
Parameters:
| Free air resonance (FS): | 35.3 hz |
| Electrical "Q" (QES): | 0.9 |
| Mechanical "Q" (QMS): | 10.4 |
| Total speaker "Q" (QTS): | 0.8 |
| Equivalent compliance (VAS): | 2 cubic FT / 56.4 L |
| 1 way linear excursion (XMAX): | 0.7" / 18.5 mm |
| Reference efficiency (NO): | 0.3 % |
| Efficiency (1 W / 1 m): | 86.7 dB SPL |
| Effective piston area (SD): | 80.5" ² / 0.1 m ² |
| DC resistance (RE): | 3.5 Ω |
Enclosure specifications:
| Infinite-Baffle use: | yes (preferred): |
| Minimum sealed enclosure volume: | 2 cubic FT / 56.6 L (or larger) |
| Optimum sealed enclosure volume: | 3 cubic FT / 70.8 L |
Orders are typically processed and Shipped within 1 - 2 business days. Delivery usually takes 7 - 15 business days via Canada post, FedEx, or UPS.