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10th Anniversary Edition - W7 8-inch Subwoofer (500 W, 3 Ω)
This Subwoofer has been called the "best damn 8-inch subwoofer ever made" for its remarkable performance capabilities and design attributes. An impressive linear excursion envelope that exceeds 0.75 in. (19 mm) one-way allows it to deliver impact well beyond the range of other 8-inch Subwoofers.
The 8W7AE is best used with amplifier power in the 200W - 500W range and is optimized to operate in a 0.875 cu. ft. (24.8 l) sealed enclosure, or a 1.0 cu. ft. (28.3 l) ported enclosure. Detailed enclosure recommendations can be found in the "Specifications" tab.
W7AE (Anniversary Edition) Subwoofers celebrate the 10th Anniversary of the launch of the W7 subwoofers. Functionally, they are identical to the original W7's, but they are distinguished by the following cosmetic differences:
General Specifications
| Continuous Power Handling (RMS) | 500 W |
| Recommended Amplifier Power (RMS) | 200 - 500 W |
| Nominal Impedance (Znom) | 3 Ω |
Physical Specifications
| Nominal Diameter | 8.0 in / 200 mm |
| Overall Diameter (A) | 8.5 in / 216 mm |
| Mounting Hole Diameter (B) | 6.94 in / 176 mm |
| Bolt Hole Circle Diameter (C) | 7.39 in / 188 mm |
| Motor Outer Diameter (D) | 5.79 in / 147 mm |
| Mounting Depth (E) | 6.83 in / 173 mm |
| Driver Displacement | 0.06 cu ft / 1.7 L |
| Net Weight | 17 lb / 7.8 kg |
Parameters
| Free Air Resonance (Fs) | 35.2 Hz |
| Electrical “Q” (Qes) | 0.654 |
| Mechanical “Q” (Qms) | 9.5 |
| Total Speaker “Q” (Qts) | 0.612 |
| Equivalent Compliance (Vas) | 0.61 cu ft / 17.4 L |
| One-Way Linear Excursion (Xmax)* | 0.75 in / 19 mm |
| Reference Efficiency (no) | 0.11% |
| Efficiency (1 W / 1 m)** | 82.7 dB SPL |
| Effective Piston Area (Sd) | 38 sq in / 0.0245 sq m |
| DC Resistance (Re) | 2.78 Ω |
Sealed Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 0.875 cu ft / 24.8 L |
| External Width (W) | 12.875 in / 327 mm |
| External Height (H) | 12.875 in / 327 mm |
| External Depth (D) | 14 in / 356 mm |
| F3 | 41.3 Hz |
| Fc | 45.9 Hz |
| Qtc | 0.798 |
Ported Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 1.00 cu ft / 28.3 L |
| External Width (W) | 18.75 in / 476 mm |
| External Height (H) | 12.875 in / 327 mm |
| External Depth (D) | 14 in / 356 mm |
| Internal Slot Port Width (SW) | 1.375 in / 35 mm |
| Internal Slot Port Height (SH) | 11.375 in / 289 mm |
| Internal Slot Port Length (SL) | 27.875 in / 708 mm |
| Port Extension Length (EL) | 13.1875 in / 335 mm |
| Tuning Frequency (Fb) | 36.8 Hz |
| F3 | 30.1 Hz |
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