Haut-parleur Beyma 12MW/Nd
[12MWNd-8] Avis/Critiques 
Key Features :
Good power handling (350 w AES)
Excellent sensitivity (98 dB)
2.5" copper voice coil
Neodymium magnets
Extended frequency response (35 - 6000 Hz )
Designed for the low-mid frequencies reproduction 
Technical specifications :
Nominal diameter 300 mm. 12 in.
Rated impedance 8 ohms
Minimum impedance 7 ohms
Power capacity 350 w AES
Program power 700 w
Sensitivity 98 dB 2.83v @ 1m @ 2p
Frequency range 35 - 6000 Hz
Recom. enclosure vol. 30 / 100 l 1.06 / 3.53 ft.3
Voice coil diameter 62.4 mm. 2.5 in.
Magnetic assembly weight 2.54 kg. 5.59 lb.
BL factor 18.3 N / A
Moving mass 0.061 kg.
Voice coil length 20 mm
Air gap height 10 mm
X damage (peak to peak) 30 mm
Thiele-Small parameters :
Resonant frequency, fs 37 Hz
D.C. Voice coil resistance, Re 5.7 ohms.
Mechanical Quality Factor, Qms 5.14
Electrical Quality Factor, Qes 0.24
Total Quality Factor, Qts 0.23
Equivalent Air Volume to Cms, Vas 129 l
Mechanical Compliance, Cms 306 mm / N
Mechanical Resistance, Rms 2.74 kg / s
Efficiency, ho (%) 2.6
Effective Surface Area, Sd (m2) 0.0550 m2
Maximum Displacement, Xmax 8 mm
Displacement Volume, Vd 440 cm3
Voice Coil Inductance, Le @ 1 kHz 1.7 mH 
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