FR 10 - 4 Ohm


Art. No. 2020


10 cm (4") fullrange speaker with good bass reproduction, balanced frequency response and high efficiency. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers.

Typical applications

  • Network column speakers
  • Ceiling-mounted speakers in railway carriages an busses
  • Built-in car hi-fi speakers
  • Electronic musical instruments

 

Technical Data

Rated power 30 W
Maximum power 50 W
Nominal impedance Z 4 Ohm
Frequency response 80–20000 Hz
Mean sound pressure level 86 dB (1 W/1 m)
Opening angle (-6 dB) 113°/4000 Hz
Excursion limit +/−4 mm
Resonance frequency fs 90 Hz
Magnetic induction 0,95 T
Magnetic flux 180 µWb
Height of front pole-plate 3 mm
Voice coil diameter 20 mm
Height of winding 6 mm
Cutout diameter 100 mm
Net weight 0,38 kg
D.C. resistance Rdc 3,2 Ohm
Mechanical Q factor Qms 2,29
Electrical Q factor Qes 0,7
Total Q factor Qts 0,54
Equivalent volume Vas 2,3 l
Effective piston area Sd 50 cm²
Dynamically moved mass Mms 5,7 g
Force factor Bxl 4,6 T m
Inductance of the voice coil L 0,2 mH
Connections 5,2 x 0,5 mm (+)
2,8 x 0,5 mm (−)
Temperature range −25 ... 70 °C
Show all data

sketch

frequency- and impedance response

directivity pattern