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FR 8 - 8 Ohm

Art. No. 2008
8 cm (3.3") 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

  • Narrow network column speakers
  • Ceiling- mounted speakers in railway carriages and busses
  • Electronic musical instruments
  • Monitoring speaker for electronic devices

Attributes

  • Moisture-resistant membrane
  • metal design
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Amplitude & Impendance Frequency
Directivity pattern
Rated power 10 W
Maximum power 15 W
Nominal impedance Z 8 Ohm
Frequency response 130–20000 Hz
Mean sound pressure level 86 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−2 mm
Resonance frequency fs 150 Hz
Magnetic induction 1.4 T
Magnetic flux 200 µ Wb
Height of front pole-plate 3 mm
Voice coil diameter 15 mm
Height of winding 5 mm
Cutout diameter 75 mm
Net weight 0.24 kg
D.C. resistance Rdc 7.4 Ohm
Mechanical Q factor Qms 5.3
Electrical Q factor Qes 1.38
Total Q factor Qts 1.09
Equivalent volume Vas 0.7 l
Effective piston area Sd 30 cm²
Dynamically moved mass Mms 1.7 g
Force factor Bxl 2.5 Tm
Inductance of the voice coil L 0.6 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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