FR 12 - 4 Ohm

Art. No. 2060

13 cm (5") fullrange speaker system with an inverted cone displacement. Very compact design making this the ideal choice where space is at a premium.

Typical applications
Built into cars, busses or trains
Electronic musical instruments
Monitoring speaker for electronic devices

Technical Data

Rated power
15 W
Maximum power
40 W
Nominal impedance Z
4 Ohm
Frequency response
70–18000 Hz
Mean sound pressure level
85 dB (1 W/1 m)
Opening angle (-6 dB)
79°/4000 Hz
Excursion limit
+/−2.5 mm
Resonance frequency fs
110 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
114 mm
Net weight
0.284 kg
D.C. resistance Rdc
3.4 Ohm
Mechanical Q factor Qms
5.61
Electrical Q factor Qes
2.8
Total Q factor Qts
1.87
Equivalent volume Vas
8.7 l
Effective piston area Sd
87 cm²
Dynamically moved mass Mms
3.8 g
Force factor Bxl
1.7 T m
Inductance of the voice coil L
0.1 mH
Connections
4.8 x 0.8 mm (+)2.8 x 0.8 mm (−)
Temperature range
−40 ... 70 °C
Frequency- and impedance response
Directivity pattern