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Brand


Category
Beyma
Beyma 4FR40 - 4" 40W 8 Ohm
SPL: 87.0dB Fs: 92Hz Xmax: 3.0mm
 
Product Code: BMA4FR40 | Brand:

  
£18.50
£15.42 ex VAT
Qty:

2-3 £17.36 ea.4-7 £17.18 ea.8+ £17.01 ea.
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£3.94 DELIVERY to mainland UK

Beyma 4FR40 - 4" 40W 8 Ohm

  • 4" Full-range compact ferrite loudspeaker
  • 80W program power
  • Extended response and low distortion
  • Paper cone and SantopreneTM surround
  • Pressed steel basket
  • Ceramic magnet
  • Ideal for beam-steering application (columns), portable array and compact applications

Technical Specifications


  • Nominal diameter 100 mm 4 in
  • Nominal impedance 8 Ohm
  • Minimum impedance 7.3 ohm
  • Power capacity 40 W AES
  • Program power 80 W
  • Sensitivity 87 dB 1 W/1 m @ ZN
  • Frequency range 100-20000 Hz
  • Voice coil diameter 20.3 mm 0.8 in
  • BL factor 4.2 N/A
  • Moving mass 0.0044 kg
  • Winding length 7.7 mm
  • Air gap height 5 mm
  • Xdamage pp -

Thiele Small Parameters


  • Fs 92 Hz
  • Re 6.4 ohm
  • Qms 11.3
  • Qes 0.96
  • Qts 0.88
  • Vas 2.8 l
  • Cms 668 µm / N
  • Rms 0.23 kg/s
  • Efficiency % 0.22
  • Sd 0.0055 m²
  • Xmax 3 mm
  • Vd 11 cm³
  • Le @1 kHz 0.2 mH

Constructive Details


  • Net weight 0.55 kg 1.2 lb
  • Total weight 0.75 kg 1.65 lb
  • Magnet Ferrite
Other Beyma products similar to Beyma 4FR40 - 4" 40W 8 Ohm:
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