U8215

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  • U8215
U8215

U8215

1. 1000 W continuous program power capacity
2. Sensitivity: 98.5dB 1w/1m
3. 76mm(3") high temperature inside/outsdie CCAW voice coil
4. 7DF paper cone, made in USA
5. Unique eight-sided (Octagon) die-cast aluminum basket
6. FEA optimized magent system design for low distortion and minimum power compession
7. Ideal for high quality compact 2 or 3-way systems
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Technical Specifications
  • General Specifications

  • Nominal Diameter

    45 Hz

  • Rated Impedance

    8 ohm

  • Nominal Power handling1

    500 Watts

  • Program Power2

    1000 Watts

  • Sensitivity(lw/lm)3

    98 dB

  • Frequency Range4

    45 ~ 3000 Hz

  • Minimum Impedance(Zmin)

    6.7 ohm

  • Voice Coil Diameter

    76/3 mm/inch

  • Voice Coil Material

    CCAW

  • Former Material

    Glass Fiber

  • Voice Coil Winding Depth

    18 mm

  • Number of layers

    2(inside/outside)

  • Magnet gap depth

    10 mm

  • Basket

    Cast Aluminum

  • Flux Density

    1.2 T

  • Magnet Outer Diameter/Wgt

    190/78 mm/oz
  • Thiele-Small parameters

  • Resonance frequency

    Fs 45 Hz

  • DC resistance

    Re 5.6 ohm

  • Mechanical factor

    Qms 10.5

  • Electrical factor

    Qes 0.41

  • Total factor

    Qts 0.40

  • Mechanical compliance

    Cms 0.14 mm/N

  • Mechanical resistance of suspension losses

    Rms 2.4 kg/s

  • Effective Moving Mass

    Mms 90 g

  • Half-space efficiency

    Eff 3.3 %

  • BL Factor

    BL 18.7 T.m

  • Equivalent Cas air load

    Vas 150 liters

  • Effective piston area

    Sd 0.0887 m^2

  • Max. linear excursion6

    Xmax ± 6.5 mm

  • Voice coil inductance

    Le1K 1.1 mH

  • Efficiency Bandwidth Product

    EBP 109
  • Mounting Information

  • Overall Diameter

    390 mm

  • Bolt Circle Diameter

    398 mm

  • Bolt Hole Diameter

    6.5 mm

  • Baffle Cutout Diameter

    353 mm

  • Overall Depth

    165 mm

  • Net Weight

    8.4 kg

  • Shipping Weight

    9.5 kg

  • Shipping Box

    430x430x205 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/U8215-CURVES.jpg

Computer predicted low frequency response

images/upfile/U8215-PREDICTED.jpg

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