Beyma 6 G 40 ND Neodymium

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RRP 190,00 €

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This low-mid frequency transducer is specially intended for line array applications. It is well known that is very important to reduce the distance between transducers in this kind of systems. Taking into account this design factor, a new basket with a special shape has been developed. This new basket allows the loudspeakers to be placed closer. By the other hand, the 6G40 characteristics have been optimized in order to fit in the most demanding line array designs. This model features a high power handling (170 w AES), an excellent sensitivity (95 dB) and an extended frequency response with very low distortion (thanks to the use of a copper ring). Moreover, its T-S parameters make possible to obtain an excellent bass response when used in small bass-reflex cabinets.

Key features:
  • Excellent sensitivity (95 dB)
  • High power handling (170 w AES)
  • 2" (51.7 mm.) aluminium voice coil
  • Designed for compact bass-reflex applications
  • Low weight due to the neodymium magnet system
  • Optimized for the use in line array systems

Short data

Usage as Bass-Midrange
Power Handling 170 Watt
Impedance 8 Ohm
Frequency from 70 Hz
Max. Frequency 9 kHz
Sound pressure 95 dB


Overall dimensions 187.5 mm
Baffle cutout 146 mm
Depth (Total) 75.5 mm
Front material Aluminium diecast
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Textile
Membrane Material Paper
Voice coil Ø 51.7 mm
Voice coil height 9 mm
Voice coil material Aluminium
Air gap height 7 mm
Magnet Ø 108.5 mm
Magnet-weight 1500 g


Resonance fs fs: 88 Hz
Mechanical Q Qms: 9.1
Electrical Q Qes: 0.34
Total Q Qts: 0.33
Equivalent Air-Volumen Vas: 7.2 Liter
DC-Resistance Re: 6.2 Ohm
Coil Inductance Le: 0.6 mH
Mech. Compliance Cms: 0.26 mm/N
Moving Mass Mms: 12 g
mech. Resistance Rms: 0.76 kg/s-¹
Max. Excursion +/- Xmax: 1 mm
BL Product Bl: 11 N/A
Membrane Area Sd: 140 cm²
Sound pressure dB: 95 SPL
Efficiency Nref: 1.4 %

Frequency, Harmonic Distortion


Technical Dimensions

PDF-Product information

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