SPEAKER BREEDBAND 8 OHM 30/50W 70-20000HZ 81DB 77X77MM

Rated power 30 W
Maximum power 50 W
Nominal impedance Z 8 Ohm
Frequency response 70–20000 Hz
Mean sound pressure level 81 dB (1 W/1 m)
Opening angle (-6 dB) 150°/4000 Hz
Excursion limit +/−3 mm
Resonance frequency fs 91 Hz
Magnetic induction 0,9 T
Magnetic flux 170 µWb
Height of front pole-plate 3 mm
Voice coil diameter 20 mm
Height of winding 4 mm
Cutout diameter 73 mm
Net weight 0,28 kg
D.C. resistance Rdc 7,0 Ohm
Mechanical Q factor Qms 3,68
Electrical Q factor Qes 1,31
Total Q factor Qts 0,97
Equivalent volume Vas 1,5 l
Effective piston area Sd 26 cm²
Dynamically moved mass Mms 1,9 g
Force factor Bxl 2,4 Tm
Inductance of the voice coil L 0,3 mH
Temperature range −25 ... 70 °C