Owner's Manual

12W7AE Subwoofer: Driver & Enclosure Specifications
12W7AE-3
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 ltrs)
One-Way, Linear Excursion (Xmax)*: 1.15 in. (29 mm)
Thermal Power Handling (Pt): 1000 Watts Continuous
Reference Efficiency (no): 0.249 %
Efficiency (SPL @ 1W/1m): 86.2 dB
DC Resistance (Re): 2.47Ω
Effective Piston Area (Sd): 84 sq. in. (0.0542 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:
500W 750W 1000W 2000W
4000W
250W
12W7AE
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