Beyma 8 BR 40/N - Paper

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RRP 83,00 €

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-5 %
Low frequency transducer

Key features:
  • It incorporates a curvilinear cone attached to a rubber surround, in order to provide suspension stability and to allow maximum excursion linearity with high sensitivity and extremely low distortion.
  • It has been specifically designed to deliver exceptional low and mid frequency reproduction.

Short data

Usage as Woofer
Power Handling 50 Watt
Impedance 8 Ohm
Frequency from 35 Hz
Max. Frequency 6 kHz
Sound pressure 90 dB


Overall dimensions 211.5 mm
Baffle cutout 179.5 mm
Depth (Total) 86 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Paper
Voice coil Ø 25.8 mm
Voice coil height 16 mm
Voice coil material Aluminium
Air gap height 6 mm
Magnet Ø 90 mm
Magnet-weight 1000 g


Resonance fs fs: 33.2 Hz
Mechanical Q Qms: 2.61
Electrical Q Qes: 0.73
Total Q Qts: 0.57
Equivalent Air-Volumen Vas: 61.35 Liter
DC-Resistance Re: 6.5 Ohm
Coil Inductance Le: 0.8 mH
Mech. Compliance Cms: 0.907 mm/N
Moving Mass Mms: 25 g
mech. Resistance Rms: 2.02 kg/s-¹
Max. Excursion +/- Xmax: 6 mm
BL Product Bl: 6.9 N/A
Membrane Area Sd: 220 cm²
Sound pressure dB: 90 SPL
Efficiency Nref: 0.3 %

Frequency, Harmonic Distortion


Technical Dimensions

PDF-Product information

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