Beyma 8 NMFW Woofer 8 Ohm buy at hifisound.de

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Beyma 8 NMFW Woofer 8 Ohm

Features:

High power handling and low distortion 8” woofer
Exclusive Malt Cross® Technology Cooling System
Low power compression losses
High force factor design for top performance applications
FEA optimized ceramic magnetic circuit and suspensions
Ultra low air noise
Carbon fiber cone and dustcap
Enhanced linear behaviour
Double BIMAX spider and NBR surround
2” QUATTRO in/out aluminium voice coil
Optimized triple aluminum and copper demodulating circuit
Extended controlled displacement: Xmax ± 9 mm
43 mm peak-to-peak excursion before damage

Short data

Usage as	Bass-Midrange
Power Handling	200 Watt
Impedance	8 Ohm

Frequency from	30 Hz
Max. Frequency	2.5 kHz
Sound pressure	90 dB

Chassis-data

Overall dimensions	227 mm
Baffle cutout	181 mm
Depth (Total)	125 mm
Front material	Aluminium diecast
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Surround	Rubber
Membrane Material	Carbonfibre
Dustcap Material	Fibreglass

Voice coil Ø	50.8 mm
Voice coil height	20 mm
Magnet Ø	134 mm

Thiele-Small-Parameter

Resonance fs	fs: 37 Hz
Mechanical Q	Qms: 7.6
Total Q	Qts: 0.34
Equivalent Air-Volumen	Vas: 27 Liter
DC-Resistance	Re: 5.7 Ohm
Coil Inductance	Le: 1.1 mH

Mech. Compliance	Cms: 3.76 mm/N
Moving Mass	Mms: 48 g
mech. Resistance	Rms: 1.5 kg/s-¹
Max. Excursion +/-	Xmax: 9 mm
BL Product	Bl: 13.4 N/A
Membrane Area	Sd: 227 cm²
Efficiency	Nref: 0.4 %

Frequency and Impedance

Technical Drawing

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