Carpower SP-302C

Perfect Car Hi-fi Subwoofers for Free Air ApplicationsCoated paper cone with reinforced rings and long excursion surround of special design. Magnetic systems with a high drive power and far protruding lower pole plate ensure an exceptionally high excursion accordingly.Car hi-fi subwoofer, 150 W, 4 Ω30 cm (12") subwooferCoated cone for a powerful bass reproduction, for free air applications in various vehiclesProtruding lower pole plate for an even longer excursionLow resonance up to midrange

Impedance (Z): 4 Ω
Operating voltage: -
Frequency range: f3-3,000 Hz
Resonant frequency (fs): 33 Hz
Rec. crossov. frequ. (fmax.) (12 dB/oct.): 2,000 Hz
Music power (P_MAX): 300 W
Power rating (P_RMS): 150 W_RMS
Sensitivity: 93 dB
Max. rated SPL: -
Suspension compl. (Cms): 0.39 mm/N
Moving mass (Mms): 62 g
Mech. Q factor (Qms): 4.19
Electr. Q factor (Qes): 0.71
Total Q factor (Qts): 0.61
Equivalent volume (Vas): 155 l
DC resistance (Re): 3.7 Ω
Force factor (BxL): 7.99 Tm
Voice coil induct. (Le): 0.4 mH
Voice coil diameter: 39 mm
Voice coil former: aluminium
Linear excursion (X_MAX): ±5 mm
Eff. cone area (Sd): 531 cm²
Magnet weight: 850 g
Magnet diameter: 125 mm
Mounting cutout: Ø 282 mm
Mounting depth: 130 mm
Dimensions: Ø 305 mm
Admiss. ambient temp.: 0-40 °C
Weight: 2.4 kg