Woofer AA-21LF500

* MODEL NO.: 21LF500
* Nominal Diameter @ inch 21
* Rated Impedance @ ohm 8
* Power Handling Capacity @ watt 2000
* Program Power @ watt 4000
* Sensitivity(1W/1m) @ dB 97.5
* Frequency Range @ Hz 32-1500
* Minimum Impedance @ ohm 5.4
* Voice Coil Diameter @ inch 6
* Voice Coil Material copper
* Voice Coil Former Material TIL
* Voice Coil Winding Depth @ mm 26
* Number of Layers 2
* Kind of Layer inside/outside
* Gap Height @ mm 12
* Magnet Weight @ oz 200
* Magnet Size @ mm 280*25
* Basket Material Die-cast Alu.
* Cone Material Non pressed pulp
* Cone Design Straight
* Surround Material Polycotton
* Surround Design Triple roll