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FRS 8 - 4 Ohm

Art. No. 2003

8 cm (3.3") HiFi fullrange driver. Linear frequency response between 200 and 20000 Hz. Suitable for surround effect speakers, mini sub/sat systems. Due to the small size very suitable for model construction and as control speaker for electronic devices.

Typical applications

  • Monitoring speaker for electronic devices
  • Ceiling- mounted speakers in railway carriages and busses
  • Mini Hi-fi systems
  • Model construction

Attributes

  • Moisture-resistant membrane
  • metal design
*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 100–20000 Hz
Mean sound pressure level 82 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−2.5 mm
Resonance frequency fs 120 Hz
Magnetic induction 0.8 T
Magnetic flux 200 µWb
Height of front pole-plate 4 mm
Voice coil diameter 20 mm
Height of winding 4.5 mm
Cutout diameter 73 mm
Net weight 0.28 kg
D.C. resistance Rdc 3.5 Ohm
Mechanical Q factor Qms 3.61
Electrical Q factor Qes 0.85
Total Q factor Qts 0.69
Equivalent volume Vas 1 l
Effective piston area Sd 31 cm²
Dynamically moved mass Mms 2.5 g
Force factor Bxl 2.2 T m
Inductance of the voice coil L 0.4 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Temperature range –25 ... 70 °C

Used in / Accessories:

GRILLE FRS 8

Protective grille made of black painted metal. Decoration ring made of black plastics. Optimized fit for FRS 8 when mounting from rear side. Can be supplied painted in other colours on request. Attributes: - Plastics: PC-110 (UL 94: V-2)

GRILLE 8 ES

Protective grille made of black painted metal. Decoration ring made of black plastics. Optimized fit for FRS 8 when mounting from front side. Can be supplied painted in other colours on request. Attributes: - Plastics: PC-110 (UL 94: V-2)

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