Beyma 8 BR 40/N - Paper buy at hifisound.de

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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

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Productinfo (EN)

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