Beyma 18G40 - 18 inch 700W 8 Ohm
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Beyma
Beyma 18G40 - 18" 700W 8 Ohm
SPL: 97.0dB Fs: 32Hz Xmax: 7.0mm
 
Product Code: BMA18G40 | Brand: Beyma
Beyma 18G40 - 18 inch 700W 8 Ohm

Beyma 18G40 - 18 inch 700W 8 Ohm Beyma 18G40 - 18 inch 700W 8 Ohm 
£272.56
£227.13 ex VAT
2-3 £237.36 ea.4-7 £233.74 ea.8+ £228.92 ea.
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£7.50 DELIVERY to mainland UK.
Beyma 18G40 - 18" 700W 8 Ohm

This low frequency transducer is specially intended for the most demanding applications. Its design concept arises from the need of achieve a more resistant loudspeaker that matches the more and more power given by ultimate amplification systems. In order to accomplish that, almost every component of the speaker has been reconsidered: its voice coil has the benefits of an improved manufacturing process, made with the highest quality materials and the diaphragm has been carefully developed to give an extremely flat, smooth response. These characteristics make its integration in compact systems covering the low frequency range a straightforward task. Moreover, its parameters have been optimized to obtain an excellent bass response when used in small bass-reflex cabinets.



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 460 mm. 18 in.
  • Rated impedance 8 ohms.
  • Minimum impedance 7 ohms.
  • Power capacity* 700 w AES
  • Program power 1400 w
  • Sensitivity 97 dB 2.83v at 1m
  • Frequency range 25 - 1500 Hz
  • Recom. enclosure vol. 80 / 200 l 2.8 / 7 ft.3
  • Voice coil diameter 100 mm. 4 in.
  • Magnetic assembly weight 9 kg. 19.8 lb.
  • BL factor 22.5 N / A
  • Moving mass 0.171 kg.
  • Voice coil length 23 mm.
  • Air gap height 9.5 mm.
  • X damage (peak to peak) 33 mm.

Thiele-Small parameters**


  • Resonant frequency, fs 32 Hz
  • D.C. Voice coil resistance, Re 6 ohms.
  • Mechanical Quality Factor, Qms 12.7
  • Electrical Quality Factor, Qes 0.42
  • Total Quality Factor, Qts 0.41
  • Equivalent Air Volume to Cms, Vas 323 l
  • Mechanical Compliance, Cms 137 %uFFFD/ N
  • Mechanical Resistance, Rms 3 kg / s
  • Efficiency, ho (%) 2.4
  • Effective Surface Area, Sd 0.1300 m2
  • Maximum Displacement, Xmax 7 mm.
  • Displacement Volume, Vd 910 cm3
  • Voice Coil Inductance, Le aha_at 1 kHz 3 mH

Mounting Information


  • Overall diameter - 460 mm. 18.11 in.
  • Bolt circle diameter - 438 mm. 17.24 in.
  • Baffle cutout diameter: -
  • - Front mount - 415 mm. 16.34 in.
  • - Rear mount - 400 mm. 15.75 in.
  • Depth - 198.5 mm. 7.82 in.
  • Volume displaced by driver - 13 l 0.46 ft.3
  • Net weight - 11.5 kg. 25.3 lb.
  • Shipping weight - 13 kg. 28.6 lb.
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UK & ROI
Delivery Info for Beyma 18G40 - 18 inch 700W 8 Ohm  to locations within the United Kingdom and Ireland
EUROPE
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