JL Audio 12W7AE 12" 1000W RMS Subwoofer SVC 3-Ohm
JL Audio 12W7AE 12" 1000W RMS Subwoofer SVC 3-Ohm est en rupture de stock et sera expédié dès qu’il sera de retour en stock.
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JL Audio 12W7AE 12" 1000W RMS Subwoofer SVC 3-Ohm
JL Audio 12W7AE 12" 1000W RMS Subwoofer SVC 3-Ohm est en rupture de stock et sera expédié dès qu’il sera de retour en stock.
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Description
Description
| Continuous Power Handling (RMS) | 1000 W |
| Recommended Amplifier Power (RMS) | 400 - 1000 W |
| Nominal Impedance (Znom) | 3 Ω |
Physical Specifications
| Nominal Diameter | 12.0 in / 300 mm |
| Overall Diameter (A) | 12.5 in / 318 mm |
| Mounting Hole Diameter (B) | 10.5 in / 267 mm |
| Bolt Hole Circle Diameter (C) | 11.27 in / 286 mm |
| Motor Outer Diameter (D) | 7.5 in / 191 mm |
| Mounting Depth (E) | 9.5 in / 241 mm |
| Driver Displacement | 0.14 cu ft / 4.0 L |
| Net Weight | 45 lb / 20.4 kg |
Parameters
| Free Air Resonance (Fs) | 27.2 Hz |
| Electrical “Q” (Qes) | 0.514 |
| Mechanical “Q” (Qms) | 7.807 |
| Total Speaker “Q” (Qts) | 0.482 |
| Equivalent Compliance (Vas) | 2.33 cu ft / 66.0 L |
| One-Way Linear Excursion (Xmax)* | 1.15 in / 29 mm |
| Reference Efficiency (no) | 0.25% |
| Efficiency (1 W / 1 m)** | 86.2 dB SPL |
| Effective Piston Area (Sd) | 84 sq in / 0.0542 sq m |
| DC Resistance (Re) | 2.47 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”.
Sealed Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 1.0 in / 25 mm |
| Volume (net int.) | 1.375 cu ft / 38.94 L |
| External Width (W) | 15 in / 381 mm |
| External Height (H) | 15 in / 381 mm |
| External Depth (D) | 16.125 in / 410 mm |
| F3 | 40.4 Hz |
| Fc | 44.7 Hz |
| Qtc | 0.791 |
Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.
* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.
The dimensions given for the enclosure examples above take all applicable displacements into consideration
Safety Notice
It is absolutely essential that the completed subwoofer enclosure is mounted firmly to the vehicle with heavy steel bolts (0.5 in diameter) and large steel washers on both sides of the bolts. This will reduce the likelihood of occupant injury in the event of a collision or sudden deceleration.
Ported Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 1.0 in / 25 mm |
| Volume (net int.) | 1.75 cu ft / 49.6 L |
| External Width (W) | 22.75 in / 578 mm |
| External Height (H) | 15 in / 381 mm |
| External Depth (D) | 15.875 in / 403 mm |
| Internal Slot Port Width (SW) | 1.875 in / 48 mm |
| Internal Slot Port Height (SH) | 13.5 in / 343 mm |
| Internal Slot Port Length (SL) | 24.75 in / 629 mm |
| Port Extension Length (EL) | 7.9375 in / 202 mm |
| Tuning Frequency (Fb) | 36.7 Hz |
| F3 | 32.8 Hz |
Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.
* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.
The dimensions given for the enclosure examples above take all applicable displacements into consideration
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