SPEAKER BREEDBAND 8 OHM 30/50W 100-20000HZ 88DB 78X78MM

8 cm (3.3\") HiFi fullrange speaker with high force factor and good sensitivity. Special developed for use in column-speakers and small bass-reflex cabinets, e.g. in miniature subwoofer / satellite systems.

Rated power 30 W
Maximum power 50 W
Nominal impedance Z 8 Ohm
Frequency response 100–20000 Hz
Mean sound pressure level 88 dB (1 W/1 m)
Opening angle (-6 dB) 147°/4000 Hz
Excursion limit +/−2,5 mm
Resonance frequency fs 125 Hz
Magnetic induction 1,2 T
Magnetic flux 225 µWb
Height of front pole-plate 4 mm
Voice coil diameter 20 mm
Height of winding 4,5 mm
Cutout diameter 75 mm
Net weight 0,5 kg
D.C. resistance Rdc 7,2 Ohm
Mechanical Q factor Qms 3,24
Electrical Q factor Qes 0,58
Total Q factor Qts 0,49
Equivalent volume Vas 1,1 l
Effective piston area Sd 29 cm²
Dynamically moved mass Mms 1,8 g
Force factor Bxl 4,0 T m
Inductance of the voice coil L 0,3 mH
Temperature range −25 ... 70 °C