FR 10 F - 4 Ohm

Art. No. 4622

10 cm (4") full-range loudspeaker with two fixing lugs and shallow design. High degree of sound pressure and good high-range reproduction. Easy to fit in vehicles with 10 cm loudspeaker mounts.

Technical Data

Rated power
20 W
Maximum power
30 W
Nominal impedance Z
4 Ohm
Frequency response
100–22000 Hz
Mean sound pressure level
86 dB (1 W/1 m)
Opening angle (-6 dB)
122°/4000 Hz
Excursion limit
+/−4 mm
Resonance frequency fs
133 Hz
Height of front pole-plate
3 mm
Voice coil diameter
14 mm
Cutout diameter
94 mm
Net weight
0.2 kg
D.C. resistance Rdc
3.7 Ohm
Mechanical Q factor Qms
6.5
Electrical Q factor Qes
1.99
Total Q factor Qts
1.52
Equivalent volume Vas
2.2 l
Effective piston area Sd
52 cm²
Dynamically moved mass Mms
2.4 g
Force factor Bxl
1.7 Tm
Inductance of the voice coil L
0.35 mH
Temperature range
–25 ... 70 °C
Frequency- and impedance response
Directivity pattern