ND9118s

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  • ND9118s
  • ND9118s
  • ND9118s
  • ND9118s
ND9118s

ND9118s

1. 1800 W continuous program power capacity
2. 96dB Sensitivity 1w/1m
3. 31Hz~1000Hz frequency response range
4. 4"inside/outside voice coil
5. Double silicone spider with optimized compliance
6. Neodymium magnet allows a very light yet powerful motor assembly
7. Ventilated voice coil gap for reduced power compression
8. Ideal for subwoofer application
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技术参数
  • General Specifications

  • Nominal Diameter

    34 Hz

  • Rated Impedance

    8 ohm

  • Nominal Power handling1

    750 Watts

  • Program Power2

    1500 Watts

  • Sensitivity(lw/lm)3

    96 dB

  • Frequency Range4

    31~1000 Hz

  • Minimum Impedance(Zmin)

    6.7 ohm

  • Voice Coil Diameter

    100/4 mm/inch

  • Voice Coil Material

    Copper

  • Former Material

    Glass Fiber

  • Voice Coil Winding Depth

    30 mm

  • Number of layers

    2(Inside/outside)

  • Magnet gap depth

    12 mm

  • Basket

    Cast Aluminum

  • Flux Density

    1.15 T

  • Magnet Outer Diameter/Wgt

    Neodymium
  • Thiele-Small parameters

  • Resonance frequency

    Fs 34 Hz

  • DC resistance

    Re 5.3 ohm

  • Mechanical factor

    Qms 12

  • Electrical factor

    Qes 0.58

  • Total factor

    Qts 0.55

  • Mechanical compliance

    Cms 0.08 mm/N

  • Mechanical resistance of suspension losses

    Rms 4.6 mech-ohm

  • Effective Moving Mass

    Mms 252 g

  • Half-space efficiency

    Eff 1.2 %

  • BL Factor

    BL 22.3 T.m

  • Equivalent Cas air load

    Vas 175 liters

  • Effective piston area

    Sd 0.1219 m^2

  • Max. linear excursion6

    Xmax 11 mm

  • Voice coil inductance

    Le1K 2 mH

  • Efficiency Bandwidth Product

    EBP 58
  • Mounting Information

  • Overall Diameter

    461 mm

  • Bolt Circle Diameter

    439 mm

  • Bolt Hole Diameter

    6.5x9.5 mm

  • Baffle Cutout Diameter

    424 mm

  • Overall Depth

    212 mm

  • Net Weight

    9.6 kg

  • Shipping Weight

    10.6 kg

  • Shipping Box

    500x500x250 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/ND9118s-CURVES.jpg

Computer predicted low frequency response

images/upfile/ND9118s-PREDICTED.jpg

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