J6521nd

Home > Products > J6521nd

  • 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
DOWNLOAD Product Comparison
Technical Specifications
  • 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
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

    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
Curves

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

Home Products Compare Download Contact Us