BEYMA 12 MW ND

HP BEYMA 12 MW ND

· Good power handling (350 w AES)

· Excellent sensitivity (97 dB)

· Extended frequency response (35 - 5000 Hz )

· Neodymium magnets

· Aluminium basket

Nominal diameter 300 mm. 12 in.

Rated impedance 8 ohms

Minimum impedance 7 ohms

Power capacity* 350 w AES

Program power 700 w

Sensitivity 97 dB 2.83v @ 1m @ 2p

Frequency range 35 - 5000 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 16.9 N / A

Moving mass 0.059 kg.

Voice coil length 19.5 mm

Air gap height 10 mm

X damage (peak to peak) 30 mm


Resonant frequency, fs 43 Hz

D.C. Voice coil resistance, Re 6 ohms.

Mechanical Quality Factor, Qms 9.15

Electrical Quality Factor, Qes 0.34

Total Quality Factor, Qts 0.32

Equivalent Air Volume to Cms, Vas 100 l

Mechanical Compliance, Cms 232 mm / N

Mechanical Resistance, Rms 1.74 kg / s

Efficiency, ho (%) 2.3

Effective Surface Area, Sd (m2) 0.0550 m2

Maximum Displacement, Xmax*** 7.5 mm

Displacement Volume, Vd 412 cm3

Voice Coil Inductance, Le @ 1 kHz 1.7 mH



Overall diameter 312 mm. 12.28 in.

Bolt circle diameter 294.5 mm. 11.59 in.

Baffle cutout diameter:

- Front mount 278 mm. 10.94 in.

- Rear mount 285 mm. 11.22 in.

Depth 132.3 mm. 5.21 in.

Volume displaced by driver 3.5 l 0.12 ft.3

Net weight 3.3 kg. 7.26 lb.

Shipping weight 4 kg. 8.8 lb.