F 8 SC 4 OHM

Magnetically shielded 8 cm (3,3") full-range driver with balanced frequency response. Particularly suitable for smaller multimedia applications. Very good value for money.

No longer available.

Technical Data

Rated power
20 W
Maximum power
30 W
Nominal impedance Z
4 Ohm
Frequency response
80–15000 Hz
Mean sound pressure level
82 dB (1 W/1 m)
Excursion limit
+/−2.5 mm
Resonance frequency fs
103 Hz
Magnetic induction
0.8 T
Magnetic flux
150 µWb
Height of front pole-plate
3 mm
Voice coil diameter
20 mm
Height of winding
4.5 mm
Cutout diameter
76 mm
Net weight
0.25 kg
D.C. resistance Rdc
3.4 Ohm
Mechanical Q factor Qms
3.03
Electrical Q factor Qes
1.52
Total Q factor Qts
1.01
Equivalent volume Vas
1.4 l
Effective piston area Sd
30 cm²
Dynamically moved mass Mms
2.2 g
Force factor Bxl
2.1 T m
Inductance of the voice coil L
0.18 mH
Frequency- and impedance response
Directivity pattern