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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 and busses
  • Built-in car hi-fi speakers
  • Electronic musical instruments
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Amplitude & Impedance Frequency
Directivity pattern
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

Used in / Accessories:

GRILLE 10 ES

Protective grille made of black painted metal. Decoration ring made of black plastics. Can be supplied painted in other colours on request. - Suitable for: FR 10 4 OHM FR 10 8 OHM FR 10 F 4 OHM FR 10 HM 4 OHM FR 10 HM 8 OHM FX 10 4 OHM PX 10 4 OHM R 10 S 4 OHM R 10 S 8 OHM R 10 SC 4 OHM R 10 SC 8 OHM

GRILLE 10 PL

Protective grille made of black plastics. Suitable for many 10 cm loudspeakers.Can be supplied painted in other colours on request. - Suitable for: FR 10 4 OHM FR 10 8 OHM FR 10 F 4 OHM FR 10 HM 4 OHM FR 10 HM 8 OHM FX 10 4 OHM R 10 S 4 OHM R 10 S 8 OHM R 10 SC 4 OHM R 10 SC 8 OHM

GRILLE 10 RS

Protective grille made of black painted metal. Decoration ring made of black plastics. Can be supplied painted in other colours on request.

GRILLE 10 R/134

Protective grille made of black painted metal. Decoration ring made of black plastics. Can be supplied painted in other colours on request. - Suitable for: FR 10 4 OHM FR 10 8 OHM FX 10 4 OHM PX 10 4 OHM R 10 S 4 OHM R 10 S 8 OHM R 10 SC 4 OHM R 10 SC 8 OHM

GRILLE 10 R/134 (black/chrome)

Protective grille made of black painted metal. Decoration ring made of plastics with chrome surface (high glossy). - Suitable for: FR 10 4 OHM FR 10 8 OHM FX 10 4 OHM PX 10 4 OHM R 10 S 4 OHM R 10 S 8 OHM R 10 SC 4 OHM R 10 SC 8 OHM

GRILLE 10 R/134 (RAL 9006)

Protective grille made of silver painted metal. Decoration ring made of silver painted plastics. - Suitable for: FR 10 4 OHM FR 10 8 OHM FX 10 4 OHM PX 10 4 OHM R 10 S 4 OHM R 10 S 8 OHM R 10 SC 4 OHM R 10 SC 8 OHM

GRILLE 10 R/134 OL

Protective grille made of black painted metal. Decoration ring made of black Plastics. Can be supplied painted in other colours on request.

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