Beyma 6NMFW - Woofer 6" 8ohm 87dB 200W Ferrite

The Beyma 6MCF200Nd is a high-end mid-range driver that comes armed with a neodymium magnet, a carbon-fibre cone and a 2-inch aluminium voice coil to guarantee impressive performance. Optimised for professional line array systems, this extremely efficient transducer has a 200W AES power capacity at 8 Ohms and effortlessly spans the 400 to 12,000 Hertz frequency range with a sensitivity of 97dB.

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Key Features:

• High power handling and low distortion 6,5” 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

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Technical Specifcations:

• Nominal diameter 165 mm 6,5 in
• Rated impedance 8 Ω
• Minimum impedance 7,6 Ω
• Power capacity 200 WAES
• Program power 400 W
• Long term max. power 600 W
• Sensitivity 87 dB 1W / 1m @ ZN
• Frequency range 35 - 3.000 Hz
• Voice coil diameter 50,8 mm 2 in
• Bl factor 14 N/A
• Moving mass 0,045 kg
• Voice coil length 20 mm
• Air gap height 6 mm
• Xdamage (peak to peak) 43 mm.

Thiele-Small Parameters:

• Resonant frequency, fs 40Hz
• D.C. Voice coil resistance, Re 5,8 Ω
• Mechanical Quality Factor, Qms 7,5
• Electrical Quality Factor, Qes 0,35
• Total Quality Factor, Qts 0,34
• Equivalent Air Volume to Cms, Vas 11 l
• Mechanical Compliance, Cms 342 μm / N
• Mechanical Resistance, Rms 1,52 kg / s
• Efficiency, η0 0,21 %
• Effective Surface Area, Sd 0,0154 m2
• Maximum Displacement, Xmax5 9 mm
• Displacement Volume, Vd 139 cm3
• Voice Coil Inductance, Le 0,95 mH

Mounting Information:

• Overall diameter 176 mm 6,93 in
• Bolt circle diameter 190 mm 7,48 in
• Baffle cutout diameter:
• - Front mount 157,6 mm 6,2 in
• Depth 120,5 mm 4,75 in
• Net weight 3,5 kg
• Shipping weight 4,2 kg