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  • 100dB Sensitivity
  • Single demodulating ring
  • 75mm (3") Interleaved Sandwich voice coil
  • 500 watts AES power handling
Limited distribution U.S. only. Contact Universal music (U.S. official distributor) for infos
The 12MB810 is a very high sensitivity (100dB 1W/1m) midbass driver with high power handling capabilities. It can be used as either a bass/mid driver in compact 2-way reflex enclosures or as a direct radiating or horn loaded, dedicated midrange driver, in multi-way touring and fixed installation concert and arena systems. Its curvilinear paper cone made from a special high strength wood pulp, has been designed to achieve the best possible linearity within its intended frequency range and to control bell-mode resonances around the cone circumference. The cone is carried by a multiroll suspension formed of a linen-like material, which is more resistant to aging and fatigue than traditional materials. The 75 mm diameter state-of-the-art copper voice coil employs our Interleaved Sandwich Voice coil (ISV) technology. This results in an extremely linear motor assembly with a reduced tendency for eccentric behavior when driven hard. The excellent performance capabilities of this loudspeaker are further enhanced by the Single Demodulating Rings (SDR) designed to dramatically reduce the intermodulation and harmonic distortion and improve transient response. The magnetic structure has been optimized using FEA CAD resource, maximizing the flux density in the voice coil gap and its cooling. An exclusive treatment has been applied to the cone giving it water repellent properties.




Mounting and Shipping Info

  • Nominal Impedance8 Ω
  • Minimum Impedance6.4 Ω
  • Nominal Power Handling1500 W
  • Continuous Power Handling21000 W
  • Sensitivity3100.0 dB
  • Frequency Range90 - 4000 Hz
  • Voice Coil Diameter75 mm (3.0 in)
  • Winding Depth15.0 mm (0.59 in)
  • Magnetic Gap Depth10.0 mm (0.39 in)
  • Magnet MaterialFerrite
  • Recommended Enclosure25.0 dm3 (0.88 ft3)
  • Recommended Tuning60 Hz
  • Resonance Frequency46 Hz
  • Re5.0 Ω
  • Qes0.2
  • Qms10.3
  • Qts0.2
  • Vas81.0 dm3 (2.86 ft3)
  • Sd531.0 cm2 (82.31 in2)
  • η₀3.8 %
  • Xmax5.0 mm
  • Xvar6.1 mm
  • Mms59.0 g
  • Bl20.5 Txm
  • Le0.79 mH
  • EBP230 Hz
  • Overall Diameter310 mm (12.2 in)
  • Bolt Circle Diameter295 mm (11.61 in)
  • Baffle Cutout Diameter283.0 mm (11.14 in)
  • Depth142 mm (5.59 in)
  • Flange and Gasket Thickness13 mm (0.52 in)
  • Net Weight7.8 kg (17.2 lb)
  • Shipping Weight8.3 kg (18.3 lb)
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated minimum impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
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