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11_27_51_911_20230207

Features

  • 99.5 dB LF / 108 dB HF SPL 1W/1m average sensitivity
  • 900W LF - 240W HF maximum program power handling
  • Single magnet neodymium motor
  • 75 mm (3") Interleaved Sandwich LF Voice coil (ISV)
  • Aluminum Demodulating Ring (SDR) for minimum LF distortion
  • 75 mm (3") HF Titanium diaphragm
  • Edge-wound Aluminum ribbon HF voice coil (EWAL)
  • HF copper sleeve for reduced distortion and higher output
  • 80 degrees nominal conical dispersion
  • Suitable for very compact enclosures and stage monitors
The 12NCX910 is a 12" diameter neodymium coaxial transducer designed for use in compact reflex enclosures and stage monitors as small as 25 lt with a nominal dispersion of 80 degrees.
The curvilinear profile LF cone provides smooth response within its intended frequency range thanks to its high damping pulp composition.
The 75 mm (3 in) LF copper voice coil employs our Interleaved Sandwich Voice coil (ISV) technology, in which a high strength former carries windings on both the outer and inner surfaces. This results in a balanced coil with a uniform distribution of mass and motive energy and an extremely linear motor assembly.
The low distortion and sound quality are further improved by an aluminum demodulating ring (SDR technology) that flatten LF impedance and phase with a constant power transfer. Equipped with proprietary architecture, the integrated HF compression driver has been designed to give smooth coherent wavefront in the horn entrance in all working frequency range and high level manufacturing consistency, assuring low distortion and remarkable improvements in mid-high frequency reproduction. A copper ring on the pole piece reduces the inductance figure of frequencies above 10 kHz, improving phase and impedance linearization.
The 3" diameter HF diaphragm assembly uses a high strength, high temperature treated Nomex voice coil former joined directly to the titanium diaphragm on its upper bend edge, assuring extended frequency energy transfer. This improves linearity and shows unparalleled reliability when compared with a straight former joint.
A specific HF exit profile design has been chosen in order to maximize the cone’s profile coupling.
Due to the widespread use of high power audio systems at outdoor events, the ability to perform in adverse weather conditions is an additional key feature of the 12NCX910. This has been achieved using exclusive cone and magnet plate treatment processes which increase resistance against corrosion and make the cone water repellent.

Specifications

Specifications LF unit

Specifications HF unit

Parameters

Mounting and Shipping Info

  • Nominal Diameter300 mm (11.81 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.4 Ω
  • Minimum Impedance HF6.4 Ω
  • Frequency Range60 - 4000 Hz
  • Dispersion Angle180 °
  • Magnet MaterialNeodymium
  • LF Sensitivity299.5 dB
  • LF Nominal Power Handling3450 W
  • LF Continuous Power Handling4900 W
  • LF Voice Coil Diameter75 mm (3.0 in)
  • LF Winding MaterialCCAW Aluminum
  • HF Sensitivity5108.0 dB
  • HF Nominal Power Handling6120 W
  • HF Continuous Power Handling7240 W
  • HF Voice Coil Diameter75 mm (3.0 in)
  • HF Winding MaterialEdge wound Aluminum
  • Diaphragm MaterialTitanium
  • Recommended Crossover81.5 kHz
  • Resonance Frequency57 Hz
  • Re5.3 Ω
  • Qes0.31
  • Qms10.0
  • Qts0.3
  • Vas58.0 dm3 (2.05 ft3)
  • Sd531.0 cm2 (82.31 in2)
  • η₀3.4 %
  • Xmax6.9 mm
  • Xvar7.5 mm
  • Mms53.0 g
  • Bl18.1 Txm
  • Le0.78 mH
  • EBP183 Hz
  • Overall Diameter310 mm (12.2 in)
  • Bolt Circle Diameter295 mm (11.61 in)
  • Baffle Cutout Diameter283 mm (11.14 in)
  • Depth210 mm (8.27 in)
  • Flange and Gasket Thickness13 mm (0.53 in)
  • Net Weight6.0 kg (13.23 lb)
  • Shipping Weight6.5 kg (14.33 lb)
  • Shipping Box332 x 332 x 184 mm (13.07x13.07x7.24 in)
  • Included by –6 dB down points.
  • Applied RMS Voltage is set to 2.83V.
  • 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 2.83V.
  • 2 hour test made with continuous pink noise signal within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • 12 dB/oct. or higher slope high-pass filter.
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