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59yermrz
Gnndls2v
Alternative/Current Model:
6NMB900

Features

  • 102 dB SPL 1W / 1m average sensitivity
  • 45 mm (1,77 in) edgewound aluminum voice coil
  • 180 W AES power handling
  • Neodymium motor assembly
  • Extremely high sound quality
  • Very shallow profile, 58 mm (2,3 in)
  • Suitable for horn and direct radiation midrange applications
The 6ND410 is a very high output, state-of-the-art midrange product for high quality professional use. The high level of sound quality has been achieved thanks to extensive research by Eighteen Sound engineers which focused on implementing mid frequencies intelligibility. The 6ND410 can be used as a midrange in both horn and direct radiation, closed or reflex enclosures, as small as 2 liters. The extremely powerful external neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange. Consequently, the levels of force factor and power handling are at a top professional level with an optimum power to weight ratio. A consistent heat transfer is guaranteed by the encapsulation of the magnetic structure in the interior of the basket, offering a large contact space between the back plate and the dissipating structure. The curvilinear cone-surround, has been created using computer aided vibrational modelling software to move all undesired bell modes out of the usable frequency range. The 45 mm edge-wound voice coil assembly and terminals have been designed to minimise the moving mass while reinforcing force transmission. The 3 threaded back plate holes give the final user the opportunity to insert an external customised heat sink, if further heat dissipation is required. A proprietary humidity-block cone treatment makes the transducer suitable for outdoor use in adverse weather conditions. In addition, a special coating applied to both the top and back plates makes the 6ND410 far more resistant to the corrosive effects of salts and oxidization.

Specifications

Design

Parameters

Mounting and Shipping Info

  • Nominal Diameter152 mm ( in)
  • Nominal Impedance8 Ω
  • Minimum Impedance8.2 Ω
  • Nominal Power Handling1180 W
  • Continuous Power Handling2240 W
  • Sensitivity3102.0 dB
  • Frequency Range200 - 8000 Hz
  • Voice Coil Diameter44 mm (1.75 in)
  • Winding Materialaluminum
  • Surround ShapePrgressive double roll
  • Cone ShapeCurvilinear
  • Woofer Cone TreatmentWeather protected
  • Recommended Enclosure3.0 dm3 (0.11 ft3)
  • Resonance Frequency120 Hz
  • Re5.9 Ω
  • Qes0.27
  • Qms2.2
  • Qts0.24
  • Vas6.2 dm3 ( ft3)
  • Sd143.0 cm2 (22.17 in2)
  • Xmax2.0 mm
  • Mms8.2 g
  • Bl11.6 Txm
  • Le0.67 mH
  • EBP444 Hz
  • Overall Diameter162 mm (6.38 in)
  • Bolt Circle Diameter170 mm (6.69 in)
  • Baffle Cutout Diameter148.0 mm (5.83 in)
  • Depth60 mm (2.36 in)
  • Flange and Gasket Thickness9 mm (0.35 in)
  • Net Weight1.25 kg (2.76 lb)
  • Shipping Weight1.35 kg (2.98 lb)
  • Shipping Box185x170x85 mm (7.28x6.69x3.35 in)
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated nominal 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.