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00_30_34_419_10nmba520
Alternative/Current Model:
10NMB420

Features

  • 100,5 dB SPL 1W / 1m average sensitivity (AIC on)
  • 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
  • 300 Watt AES power handling
  • Neodymium motor assembly
  • AIC (Active Impedance Control) secondary voice coil for superior intelligibility, very low distortion and inductance linearization
  • Suitable for high quality two way compact systems
  • Suitable for line array applications and multiway systems
The 10NMBA520 is the evolution of the 10NDA520. The transducer is a 10" mid-bass transducer created for compact reflex 2-way enclosures, and when compared to 10NDA520 shows 1 dB increased sensitivity over all operative frequency range, as well as 600 Watts program power handling. It can be used in mid-low sections on line-array systems and everywhere very high quality mid-bass frequency range reproduction is needed. The 10NMBA520 incorporates Active Impedance Control technology (AIC), consisting of an additional coil fixed on the pole piece and connected in parallel to the moving coil. The magnetic field generated by AIC coil has the following effects: 1) Impedance linearization 2) Acoustic and electric phase linearization 3) Significant increase of sensitivity and total SPL 4) Total harmonic distortion reduction 5) Constant power transfer By not absorbing the moving coil's electromagnetic energy, the AIC offers substantial advantages to the sound quality. The external neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange. The curvilinear cone, specified with a high damping wood pulp has been designed to achieve the best possible linearity within its frequency range. The 65 mm (2,5 in) diameter aluminum voice coil is wound on a strong fiberglas former in order to improve force transmission and power handling. A special coating applied to both the top and back plates makes the 10NMBA520 far more resistant to the corrosive effects of salts and oxidization.

Specifications

Design

Parameters

Mounting and Shipping Info

  • Nominal Diameter260 mm ( in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.3 Ω
  • Nominal Power Handling1300 W
  • Continuous Power Handling2600 W
  • Sensitivity3100.5 dB
  • Frequency Range60 - 7000 Hz
  • Voice Coil Diameter64 mm (2.5 in)
  • Winding Materialaluminum
  • Surround ShapeDouble roll
  • Cone ShapeCurvilinear
  • Magnet MaterialNeo
  • Woofer Cone TreatmentWeather protected
  • Recommended Enclosure15.0 dm3 (0.53 ft3)
  • Recommended Tuning64 Hz
  • Resonance Frequency60 Hz
  • Re5.0 Ω
  • Qes0.24
  • Qms4.2
  • Qts0.23
  • Vas42.0 dm3 (1.48 ft3)
  • Sd350.0 cm2 (54.25 in2)
  • Xmax4.0 mm
  • Mms28.0 g
  • Bl14.6 Txm
  • Le0.01 mH
  • EBP250 Hz
  • Overall Diameter260 mm (10.24 in)
  • Bolt Circle Diameter275 mm (10.83 in)
  • Baffle Cutout Diameter232.0 mm (9.13 in)
  • Depth104 mm (4.09 in)
  • Flange and Gasket Thickness14 mm (0.55 in)
  • Net Weight3.0 kg (6.61 lb)
  • Shipping Weight3.57 kg (7.87 lb)
  • Shipping Box275 x 275 x 164 mm (10.83x10.83x6.46 in)
  • 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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