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ESS AMT 1D Factory Replacement 12" Woofer, ESS AMT, 689-1220
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Product Details
ESS Factory AMT Series 12" Woofer Part # 689-1220
- ESS AMT Speaker 12" Woofer Part # 689-1220
- Original ESS AMT design, treated paper cone, rubber surround
- Factory new direct replacement woofer
- Cast aluminum frame
- Size: 12.375"
- Cut-out: 11.125"
- Depth: 5.6"
- Voice coil: 2", 4 layer
- Magnet: 40 oz
- Impedance: 4 ohms, Re: 3.9 ohms
- Power: 200 watts RMS, 300 watts max
- Sensitivity: 91.5 dB, 1 watt, 1 meter
- Le: .73 mH, Fs: 24 Hz, Vas: 6.69 cu. ft., Qms: 4.9, Qes: .52, Qts: .47, Xmax: 6mm