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689-2012 ESS Factory 12 Inch WooferProduct Specifications Nominal Diameter 12" Power Handling (RMS) 200 W Power Handling (Max) 300 W Impedance 4 Frequency Response 29Hz 15kHz Sensitivity 91. 5 dB 1W 1m Voice Coil Diameter 2" Magnet 35 oz Thiele Small Parameters Resonant Frequency (Fs) 24 Hz Qes 0. 52 Total Q (Qts) 0. 47 Compliance Equivalent Volume (Vas) 6. 69 ft3 Le 0. 73 mH Qms 4. 9 Xmax 6 mm Re 3. 9 Materials of Construction Cone Material Paper Surround Material Rubber Magnet

9 Ω Materials of Construction Cone Material Paper Surround Material Rubber Magnet Material Ferrite Voice Coil Former Aluminium Voice Coil Wire Material Copper Basket / Frame Material Cast Aluminum Mounting Information Overall Outside Diameter 310 mm (12

Rated Input Power: 30mW Maximum input power 50mW

375") Depth 114 mm (4

625") Mounting Holes 4

Dimensions: 2

Speakers Only: 156 lbs/pair

Power Capacity: 375 Watts RMS

375") Baffle Cutout Diameter 280 mm (11

ESS: AMT-2

Sensitivity: 98db

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