J6818

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  • J6818
  • J6818
J6818

J6818

1. 4000 W continuous program power capacity
2. 98dB Sensitivity 1w/1m
3. 75Hz ~500Hz frequency response range
4. 150mm(6") high temperature inside/outside voice coil
5. The use of highly resistant adhesives guarantees optimal cohesion and durability of components
6. Double edges and triple dampers for improved power handling
7. Optimized for the use in very high power subwoofer applications
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技术参数
  • General Specifications

  • Nominal Diameter

    75 Hz

  • Rated Impedance

    8 ohm

  • Nominal Power handling1

    2000 Watts

  • Program Power2

    4000 Watts

  • Sensitivity(lw/lm)3

    98 dB

  • Frequency Range4

    75 ~ 500 Hz

  • Minimum Impedance(Zmin)

    7.8 ohm

  • Voice Coil Diameter

    150/6 mm/inch

  • Voice Coil Material

    Copper

  • Former Material

    Glass Fiber

  • Voice Coil Winding Depth

    31 mm

  • Number of layers

    2(inside/outside)

  • Magnet gap depth

    14 mm

  • Basket

    Cast Aluminum

  • Flux Density

    1.1 T

  • Magnet Outer Diameter/Wgt

    330/333 mm/oz
  • Thiele-Small parameters

  • Resonance frequency

    Fs 75 Hz

  • DC resistance

    Re 5.8 ohm

  • Mechanical factor

    Qms 16

  • Electrical factor

    Qes 0.62

  • Total factor

    Qts 0.60

  • Mechanical compliance

    Cms 0.013 mm/N

  • Mechanical resistance of suspension losses

    Rms 10.5 kg/s

  • Effective Moving Mass

    Mms 356 g

  • Half-space efficiency

    Eff 1.6 %

  • BL Factor

    BL 40 T.m

  • Equivalent Cas air load

    Vas 25 liters

  • Effective piston area

    Sd 0.1176 m^2

  • Max. linear excursion6

    Xmax ±12 mm

  • Voice coil inductance

    Le1K 2.1 mH

  • Efficiency Bandwidth Product

    EBP 121
  • 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

    230 mm

  • Net Weight

    29 kg

  • Shipping Weight

    30.4 kg

  • Shipping Box

    490x490x245 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/J6818-CURVES.jpg

Computer predicted low frequency response

images/upfile/J6818-PREDICTED.jpg

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