ND9012w

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  • ND9012w
ND9012w

ND9012w

1. 800 W continuous program power capacity

2. High efficiency:98.5dB 1W/1m

3. 76mm(3") aluminum voice coil wounded on Kapton former

4. Vented on former,dual-forced air ventilation magnet system for heat dispersion and minimum power compression

5. FEA optimized neodymium magnet assembly allows the highest force factor and excursion capability

6. Special treatment on cone in house for excellent performance

7. Paper cone made in UK

8. Optimized for the use in line array systems or compact bass reflex enclosure

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Technical Specifications
  • General Specifications
  • Nominal Diameter

    46 Hz
  • Rated Impedance

    8 ohm
  • Nominal Power handling1

    400 Watts
  • Program Power2

    800 Watts
  • Sensitivity(lw/lm)3

    98.5 dB
  • Frequency Range4

    44~3500 Hz
  • Minimum Impedance(Zmin)

    7.2 ohm
  • Voice Coil Diameter

    76/3 mm/inch
  • Voice Coil Material

    Aluminum
  • Former Material

    Polyimide
  • Voice Coil Winding Depth

    17.5 mm
  • Number of layers

    2
  • Magnet gap depth

    10 mm
  • Basket

    Cast Aluminum
  • Flux Density

    1.2 T
  • Magnet Outer Diameter/Wgt

    Neodymium
  • Thiele-Small parameters
  • Resonance frequency

    Fs 46 Hz
  • DC resistance

    Re 5.6 ohm
  • Mechanical factor

    Qms 7.9
  • Electrical factor

    Qes 0.26
  • Total factor

    Qts 0.25
  • Mechanical compliance

    Cms 0.19 mm/N
  • Mechanical resistance of suspension losses

    Rms 2.26 mech-ohm
  • Effective Moving Mass

    Mms 62 g
  • Half-space efficiency

    Eff 3.1 %
  • BL Factor

    BL 19.8 T.m
  • Equivalent Cas air load

    Vas 81 liters
  • Effective piston area

    Sd 0.0552 m^2
  • Max. linear excursion6

    Xmax 6.5 mm
  • Voice coil inductance

    Le1K 0.88 mH
  • Efficiency Bandwidth Product

    EBP 177
  • Mounting Information
  • Overall Diameter

    316 mm
  • Bolt Circle Diameter

    297 mm
  • Bolt Hole Diameter

    6.5 mm
  • Baffle Cutout Diameter

    283 mm
  • Overall Depth

    144 mm
  • Net Weight

    4.4 kg
  • Shipping Weight

    5.1 kg
  • Shipping Box

    345x345x180 mm
Technical Specifications
  • LF General Specifications
  • Nominal Diameter

  • Rated Impedance

  • Nominal Power handling1

  • Program Power2

  • Sensitivity(lw/lm)3

  • Frequency Range4

  • Voice Coil Diameter

  • Voice Coil Material

  • Voice Coil Winding Depth

  • Number of layers

  • Magnet Outer Diameter/Wgt

  • HF General Specifications
  • Throat Diameter

  • Rated Impedance

  • Power handling(2k~18kHz)

        Nominal2

  •     Continuous Porgram3

  • Sensitivity3(lw/lm,on axis)

  • Frequency Range4

  • Voice Coil Diameter

  • Voice Coil Material

  • Diaphragm Material

  • Magnet Material

  • LF Thiele-small Parameters
  • Resonance frequency

  • DC resistance

  • Mechanical factor

  • Electrical factor

  • Total factor

  • Mechanical compliance

  • Mechanical resistance of suspension losses

  • Effective Moving Mass

  • Half-space efficiency

  • BL Factor

  • Equivalent Cas air load

  • Effective piston area

  • Max. linear excursion5

  • Voice coil inductance

  • Efficiency Bandwidth Product

  • Mounting Information
  • Overall Diameter

  • Bolt Circle Diameter

  • Bolt Hole Diameter

  • Baffle Cutout Diameter

  • Overall Depth

  • Net Weight

  • Shipping Weight

  • Shipping Box

Technical Specifications
  • General Specifications
  • Throat Diameter

  • Rated Impedance

  • Power handling

        Nominal2

  •     Continuous Porgram3

  • Sensitivity4(1w/1m,on axis,on horn)

  • Frequency Range

  • Minimum Impedance(Zmin)

  • Voice Coil Diameter

  • Voice Coil Material

  • Voice Coil Former

  • Phase Plug Material

  • Diaphragm Material

  • Flux Density

  • Magnet Material

  • Mounting Information
  • Overall Diameter

  • Overall Depth

  • Net Weight

  • mounting

Curves

Frequency response measured in a closed enclosure of 600L in an anechoic chamber

Impedance magnitude curve measured in free air

Computer predicted low frequency response

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