Owner's Manual

8W7AE Subwoofer: Driver & Enclosure Specifications
8W7AE-3
Free Air Resonance (Fs): 35.2 Hz
Electrical “Q” (Qes): 0.654
Mechanical “Q” (Qms): 9.50
Total Speaker “Q” (Qts): 0.612
Equivalent Compliance (Vas): 0.61 cu. ft. (17.4 ltrs)
One-Way, Linear Excursion (Xmax)*: 0.75 in. (19 mm)
Thermal Power Handling (Pt): 500 Watts Continuous
Reference Efficiency (no): 0.112 %
Efficiency (SPL @ 1W/1m): 82.7 dB
DC Resistance (Re): 2.78Ω
Effective Piston Area (Sd): 38.0 sq. in. (0.0245 sq. m)
Nominal Impedance (Znom): 3Ω
* Xmax specifications are derived via one-way voice coil
overhang method with no correction factors applied.
RECOMMENDED CONTINUOUS RMS POWER RANGE FOR ONE SUBWOOFER DRIVER:
250W 500W 1000W 2000W
4000W
125W
8W7AE
6