W7: Technology Overview W7 Subwoofer Drivers The W7 embodies JL Audio’s commitment to pushing the envelope of speaker technology, with six patented technologies and a completely unique set of component parts. Each W7 model has been meticulously engineered to reproduce sub-bass with extreme fidelity at any volume level. Read more... |
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| 13W7-D1.5 | |
Free Air Resonance (Fs): |
23.5 Hz |
Electrical “Q” (Qes): |
0.476 |
Mechanical “Q” (Qms): |
7.517 |
Total Speaker “Q” (Qts): |
0.448 |
Equivalent Compliance (Vas): |
3.68 cu. ft. / 104.3 liters |
One-Way, Linear Excursion (Xmax)*: |
1.25 in. / 32 mm |
Reference Efficiency (no): |
0.269% |
Efficiency (1W/1m)**: |
86.3 dB SPL |
Effective Piston Area (Sd): |
107.35 sq. in. / 0.0693 sq. m |
DC Resistance (Re): |
2.41 ohm*** |
Nominal Impedance (Znom): |
Dual 1.5 ohm |
Thermal Power Handling (Pt): |
1000W |
Driver Displacement: |
0.21 cu. ft. / 5.9 liters |
Net Weight: |
52 lbs. / 23.6 kg |
| Nominal Diameter |
Overall Diameter (A) |
Mounting Hole Diameter (B) |
Bolt Hole Circle (C) |
Magnet Diameter (D) |
Mounting Depth (E) |
| 13.5 in. / 345 mm | 14 in. / 356 mm | 11.9 in. / 302 mm | 12.7 in. / 323 mm | 8.38 in. / 213 mm | 10.5 in. / 267 mm |
Click here to download the owner's manual (PDF).
** For parallel-wired voice coils, divide “Re” by 4. All other specifications remain the same.
*** Re (DC resistance) is measured with the voice coils in series, for parallel-wired specification divide Re by 4. All other specifications remain the same.
