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FR 8 JS - 8 Ohm

Art. No. 2000

8 cm (3.3") full-range speaker with waterproof polypropylene cone, good bass reproduction and balanced frequency response. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. *) IP protection class for front side when built into a sealed enclosure

Typical applications

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

Attributes

Polypropylene cone
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 80–20000 Hz
Mean sound pressure level 83 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−2 mm
Resonance frequency fs 130 Hz
Magnetic induction 1.4 T
Magnetic flux 200 µWb
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 7.2 Ohm
Mechanical Q factor Qms 4.3
Electrical Q factor Qes 1.74
Total Q factor Qts 1.24
Equivalent volume Vas 0.84 l
Effective piston area Sd 30 cm²
Dynamically moved mass Mms 2.3 g
Force factor Bxl 2.77 Tm
Inductance of the voice coil L 0.6 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Protective system IP 64 *)
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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