W 300 NG 4 OHM


Art. No. -


30 cm (12") woofer with air-dried cone and magnet vent. Very good price/performance ratio and high power handling.
No longer available.

Technical Data

Rated power 120 Watt
Maximum power 180 Watt
Nominal impedance Z 4 Ohm
Frequency response fc - 3000 Hz
Mean sound pressure level 91 dB (1 W/1 m)
Excursion limit 28 mm
Resonance frequency fs 29 Hz
Magnetic induction 1 Tesla
Magnetic flux 1250 µ Weber
Height of front pole-plate 8 mm
Voice coil diameter 5 cm
Height of winding 1,85 cm
Cutout diameter 28 cm
Net weight 3 kg
D.C. resistance Rdc 3,5 Ohm
Mechanical Q factor Qms 2,08
Electrical Q factor Qes 0,4
Total Q factor Qts 0,33
Equivalent volume Vas 265 l
Effective piston area Sd 490 cm2
Dynamically moved mass Mms 40 g
Force factor Bxl 8,22 T · m
Inductance of the voice coil L 0,9 mH
Show all data

sketch

frequency- and impedance response