T 300 4 OHM

Art. No. -

30 cm (12") woofer with red foam surround, coated cone and extended rear pole plate. High power handling and excellent value for money.

No longer available.

Technical Data

Rated power
120 Watt
Maximum power
180 Watt
Nominal impedance Z
4 Ohm
Frequency response
fc - 1000 Hz
Mean sound pressure level
88 dB (1 W/ 1m)
Excursion limit
22 mm
Resonance frequency fs
24 Hz
Magnetic induction
1 Tesla
Magnetic flux
720 µ Weber
Height of front pole-plate
6 mm
Voice coil diameter
3.8 cm
Height of winding
1.5 cm
Cutout diameter
28 cm
Net weight
1.9 kg
D.C. resistance Rdc
3.3 Ohm
Mechanical Q factor Qms
3.66
Electrical Q factor Qes
0.8
Total Q factor Qts
0.66
Equivalent volume Vas
361 l
Effective piston area Sd
515 cm2
Dynamically moved mass Mms
45 g
Force factor Bxl
5.27 T · m
Inductance of the voice coil L
0.6 mH
Frequency- and impedance response