Beyma 8 BR 40/N - Paper

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RRP 77,00 €

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-10 %
8BR40/N
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

Chassis-data

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

Thiele-Small-Parameter

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

Impedance

Technical Dimensions

PDF-Product information

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