NDi4409

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  • NDi4409
NDi4409

NDi4409

1. 1"  exit throat
2. 100 W continuous program power handling 
3. 106 dB sensitivity 1w/1m
4. 800Hz~19kHz frequency range
5. Polyimide  diaphragm
6. 44mm(1.7") edgewound aluminum voice coi
7. Neodymium magnet structure
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Technical Specifications
  • General Specifications
  • Nominal Diameter

    Hz
  • Rated Impedance

    ohm
  • Nominal Power handling1

    Watts
  • Program Power2

    Watts
  • Sensitivity(lw/lm)3

    dB
  • Frequency Range4

    Hz
  • Minimum Impedance(Zmin)

    ohm
  • Voice Coil Diameter

    mm/inch
  • Voice Coil Material

  • Former Material

  • Voice Coil Winding Depth

    mm
  • Number of layers

  • Magnet gap depth

    mm
  • Basket

    Cast Aluminum
  • Flux Density

    T
  • Magnet Outer Diameter/Wgt

    mm/oz
  • 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 m
  • Half-space efficiency

    Eff %
  • BL Factor

    BL T.m
  • Equivalent Cas air load

    Vas liters
  • Effective piston area

    Sd m^2
  • Max. linear excursion6

    Xmax mm
  • Voice coil inductance

    Le1K mH
  • Efficiency Bandwidth Product

    EBP
  • 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
Technical Specifications
  • 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
Technical Specifications
  • General Specifications
  • Throat Diameter

    25.4/1 mm/inch
  • Rated Impedance

    8 ohm
  • Power handling

        Nominal2

    50 Watts
  •     Continuous Porgram3

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

    106 dB
  • Frequency Range

    800 ~ 19k Hz
  • Minimum Impedance(Zmin)

    7.5 ohm
  • Voice Coil Diameter

    44/1.7 mm/inch
  • Voice Coil Material

    Edgewound Aluminum
  • Voice Coil Former

    Kapton
  • Phase Plug Material

    Composite
  • Diaphragm Material

    Polyimide
  • Flux Density

    1.7 T
  • Magnet Material

    Neodyminum
  • Mounting Information
  • Overall Diameter

    85 mm
  • Overall Depth

    46 mm
  • Net Weight

    0.9 kg
  • mounting

    2xM6 holes, 180° on 76mm diamete
Curves

Frequency respons curve measured in an anechoic ch

images/upfile/NDi4409-SPL.jpg

Impedance magnitude curve measured in free air

images/upfile/NDi4409-IMP.jpg

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