Beyma 4FR40Nd - 4 inch 80W 8 Ohm
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Beyma
Beyma 4FR40Nd - 4" 80W 8 Ohm
SPL: 88.0dB Fs: 94Hz Xmax: 3.0mm Neodymium
 
Product Code: BMA4FR40Nd | Brand:
Beyma 4FR40Nd - 4 inch 80W 8 Ohm
£27.08
£22.57 ex VAT
2-3 £26.68 ea.4-7 £26.27 ea.8+ £25.73 ea.
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£4.67 DELIVERY to mainland UK.
Beyma 4FR40Nd - 4" 80W 8 Ohm

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


This product currently has limited availability, the stock amount showing is all that is available. If you try to order a quantity greater than what is showing in stock we will not be able to fulfill your order.

Technical Specifications


  • Nominal diameter 100 mm 4 in
  • Nominal impedance 8 Ohm
  • Minimum impedance 7.2 ohm
  • Power capacity 40 W AES
  • Program power 80 W
  • Sensitivity 88 dB 1 W @ 1 m @ ZN
  • Frequency range 100-20000 Hz
  • Voice coil diameter 20.3 mm 0.8 in
  • BL factor 4.7 N/A
  • Moving mass 0.0045 kg
  • Winding length 7.7 mm
  • Air gap height 4 mm

Thiele Small Parameters


  • Fs 94 Hz
  • Re 6.4 ohm
  • Qms 10.8
  • Qes 0.78
  • Qts 0.73
  • Vas 2.7 l
  • Cms 627 Ä©m / N
  • Rms 0.25 kg/s
  • Efficiency % 0.28
  • Sd 0.0055 mÄ“
  • Xmax 3 mm
  • Vd 11 cmÄ£
  • Le @1 kHz 0.2 mH

Constructive Details


  • Net weight 0.28 kg 0.62 lb
  • Total weight 0.45 kg 0.99 lb
  • Magnet Neodymium
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