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
Frequency- and impedance response