• ND9208w
  • ND9208w
ND9208w

ND9208w

1. 500 W continuous program power capacity
2. High sensitivity 95dB/1w/1m
3. Extended smooth response up to 4000Hz
4. 2"high temperature voice coil
5. Neodymium magnet system
6. Ideal for line array or 2-way fullrange systems
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技术参数
  • General Specifications
  • Nominal Diameter

    69 Hz
  • Rated Impedance

    8 ohm
  • Nominal Power handling1

    250 Watts
  • Program Power2

    500 Watts
  • Sensitivity(lw/lm)3

    95 dB
  • Frequency Range4

    63~4000 Hz
  • Minimum Impedance(Zmin)

    6.7 ohm
  • Voice Coil Diameter

    50/2 mm/inch
  • Voice Coil Material

    Copper
  • Former Material

    Polyimide
  • Voice Coil Winding Depth

    18 mm
  • Number of layers

    2(Inside/outside)
  • Magnet gap depth

    8 mm
  • Basket

    Cast Aluminum
  • Flux Density

    1.6 T
  • Magnet Outer Diameter/Wgt

    Neodymium
  • Thiele-Small parameters
  • Resonance frequency

    Fs 69 Hz
  • DC resistance

    Re 5.3 ohm
  • Mechanical factor

    Qms 5.55
  • Electrical factor

    Qes 0.29
  • Total factor

    Qts 0.27
  • Mechanical compliance

    Cms 0.2 mm/N
  • Mechanical resistance of suspension losses

    Rms 2.06 mech-ohm
  • Effective Moving Mass

    Mms 26.3 g
  • Half-space efficiency

    Eff 1.5 %
  • BL Factor

    BL 14.5 T.m
  • Equivalent Cas air load

    Vas 13.4 liters
  • Effective piston area

    Sd 0.0219 m^2
  • Max. linear excursion6

    Xmax ±6.5 mm
  • Voice coil inductance

    Le1K 0.54 mH
  • Efficiency Bandwidth Product

    EBP 237
  • Mounting Information
  • Overall Diameter

    200 mm
  • Bolt Circle Diameter

    212 mm
  • Bolt Hole Diameter

    5.5 mm
  • Baffle Cutout Diameter

    180 mm
  • Overall Depth

    100 mm
  • Net Weight

    2.4 kg
  • Shipping Weight

    2.6 kg
  • Shipping Box

    220x220x110 mm
技术参数
  • LF General Specifications
  • Nominal Diameter

    mm/inch
  • Rated Impedance

    ohm
  • Nominal Power handling1

    Watts
  • Program Power2

  • Sensitivity(lw/lm)3

  • Frequency Range4

    Hz
  • Voice Coil Diameter

    mm/inch
  • Voice Coil Material

    Copper
  • Voice Coil Winding Depth

    mm
  • Number of layers

    (inside/outside)
  • Magnet Outer Diameter/Wgt

    mm/oz
  • HF General Specifications
  • Throat Diameter

    mm/inch
  • Rated Impedance

    ohm
  • Power handling(2k~18kHz)

        Nominal2

    Watts
  •     Continuous Porgram3

    Watts
  • Sensitivity3(lw/lm,on axis)

    dB
  • Frequency Range4

    Hz
  • Voice Coil Diameter

    mm/inch
  • Voice Coil Material

    Copper
  • Diaphragm Material

    mm
  • Magnet Material

    kg
  • LF Thiele-small Parameters
  • Resonance frequency

    Fs Hz
  • DC resistance

    Re ohm
  • Mechanical factor

    Qms
  • Electrical factor

    Qes
  • Total factor

    Qts
  • Mechanical compliance

    Cms mm/N
  • Mechanical resistance of suspension losses

    Rms mech-ohm
  • Effective Moving Mass

    Mms g
  • Half-space efficiency

    Eff %
  • BL Factor

    BL T.m
  • Equivalent Cas air load

    Vas liters
  • Effective piston area

    Sd
  • Max. linear excursion5

    Xmax mm
  • Voice coil inductance

    Le1K mH
  • Efficiency Bandwidth Product

    EBP mH
  • Mounting Information
  • Overall Diameter

    mm
  • Bolt Circle Diameter

    mm
  • Bolt Hole Diameter

    mm
  • Baffle Cutout Diameter

    mm
  • Overall Depth

    mm
  • Net Weight

    kg
  • Shipping Weight

    kg
  • Shipping Box

    mm
技术参数
  • General Specifications
  • Throat Diameter

    mm/inch
  • Rated Impedance

    ohm
  • Power handling

        Nominal2

    Watts
  •     Continuous Porgram3

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

    dB
  • Frequency Range

    Hz
  • Minimum Impedance(Zmin)

    ohm
  • Voice Coil Diameter

    mm/inch
  • Voice Coil Material

  • Voice Coil Former

  • Phase Plug Material

  • Diaphragm Material

  • Flux Density

    T
  • Magnet Material

  • Mounting Information
  • Overall Diameter

    mm
  • Overall Depth

    mm
  • Net Weight

    kg
  • mounting

    4xM6 holes,90°on 102
波形图

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

images/upfile/ND9208w-curves.jpg

Computer predicted low frequency response

images/upfile/ND9008w-Predicted.jpg

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