J6521nd

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  • J6521nd
  • J6521nd
  • J6521nd
  • J6521nd
J6521nd

J6521nd

1.3600W continuous program power capacity
2.98dB Sens itivity 1w/1m
3.31Hz~1000Hz frequency response range
4.6"inside/outside voice coil for improved power-handling and durability
5.Forced air ventilation on U-yoke forminimum power compressoin
6.Optimized winding length for extended Xmax
7.Double spider for improved excursion control and linearithy
8.Ideal for compact horn-loaded subwo ofer application
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技术参数
  • General Specifications

  • Nominal Diameter

    34 Hz

  • Rated Impedance

    8 ohm

  • Nominal Power handling1

    1800 Watts

  • Program Power2

    3600 Watts

  • Sensitivity(lw/lm)3

    98 dB

  • Frequency Range4

    31~1000 Hz

  • Minimum Impedance(Zmin)

    7.9 ohm

  • Voice Coil Diameter

    150/6 mm/inch

  • Voice Coil Material

    Copper

  • Former Material

    Glass Fiber

  • Voice Coil Winding Depth

    35 mm

  • Number of layers

    2(inside/outside)

  • Magnet gap depth

    14 mm

  • Basket

    Cast Aluminum

  • Flux Density

    1.2 T

  • Magnet Outer Diameter/Wgt

    Neodymium
  • Thiele-Small parameters

  • Resonance frequency

    Fs 34 Hz

  • DC resistance

    Re 6.2 ohm

  • Mechanical factor

    Qms 12.6

  • Electrical factor

    Qes 0.35

  • Total factor

    Qts 0.34

  • Mechanical compliance

    Cms 0.047 mm/N

  • Mechanical resistance of suspension losses

    Rms 7.8 mech-ohm

  • Effective Moving Mass

    Mms 461 g

  • Half-space efficiency

    Eff 1.99 %

  • BL Factor

    BL 41.6 T.m

  • Equivalent Cas air load

    Vas 186 liters

  • Effective piston area

    Sd 0.1676 m^2

  • Max. linear excursion6

    Xmax 13 mm

  • Voice coil inductance

    Le1K 2.7 mH

  • Efficiency Bandwidth Product

    EBP 97
  • Mounting Information

  • Overall Diameter

    556 mm

  • Bolt Circle Diameter

    528 mm

  • Bolt Hole Diameter

    6.5 mm

  • Baffle Cutout Diameter

    493 mm

  • Overall Depth

    250 mm

  • Net Weight

    20.8 kg

  • Shipping Weight

    23 kg

  • Shipping Box

    585x585x270 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/J6421nd-Curves.jpg

Computer predicted low frequency response

images/upfile/J6521nd-PREDICTED.jpg

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