15" professional PA woofer/loudspeaker
POF Series Pa Woofer
Model No: POF 807 POF1007 POF1207 POF1507
Nominal Diameter 208mm (8 in ) 254mm (10 In ) 310mm (12 In ) 380mm (15 In )
Nominal Impedance 8 ohm 8 ohm 8 ohm 8 ohm
Mininal Impedance 5 ohm 5 ohm 5 ohm 5 ohm
Power Capacity: 250 W 300 W 800 W 1000W
Sensitivity:(1W/1M) 96dB 97dB 98dB 99dB
Freq Resp: 60Hz-6.5kHz 40Hz-5.5kHz 30Hz-4.5kHz 20Hz-3.5kHz
Voice Coil Diameter: 50.6mm (2 In) 75.8mm ( 3 In ) 75.8mm ( 3 In ) 75.8mm ( 3 In )
Winding Material: Copper Copper Copper Copper
Former Material: Kapton Kapton Kapton Kapton
Magnet: 45 OZ 78 OZ 78 OZ 78 OZ
LF Unit Thiele&Small Parameter
Fs: 73.5 Hz 49.4 Hz 41.7Hz 36.4Hz
Qms: 5.8 6.4 6.5 6.8
Mms: 27.5 g 56.8g 68.9g 95.9g
Qes: 0.31 0.20 0.21 0.24
Vas: 9.8 L 33.7L 84.1L 204.8L
Qts: 0.3 0.18 0.19 0.22
X-max: 3.1 mm 6.2mm 4mm 4 mm
