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W 250 NG 8 OHM

Art. No. -
25 cm (10") woofer with air-dried cone and cone reinforcement. Very good price/performance ratio. Suitable for simple 2- and 3-way systems, subwoofers and car rear tray applications.
Technical Data
Sketch
Amplitude & Impedance Frequency
Rated power 80 Watt
Maximum power 120 Watt
Nominal impedance Z 8 Ohm
Frequency response fu - 6000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 90 dB (1W/1m)
Excursion limit 18 mm
Resonance frequency fs 37 Hz
Magnetic induction 0.9 Tesla
Magnetic flux 560 µ Weber
Height of front pole-plate 6 mm
Voice coil diameter 3.3 cm
Height of winding 1 cm
Cutout diameter 23.3 cm
Net weight 1.5 kg
D.C. resistance Rdc 6.7 Ohm
Mechanical Q factor Qms 4.3
Electrical Q factor Qes 1.1
Total Q factor Qts 0.87
Equivalent volume Vas 120 l
Effective piston area Sd 360 cm2
Dynamically moved mass Mms 27 g
Force factor Bxl 6.2 T · m
Inductance of the voice coil L 1.2 mH

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