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Wavecor WF152BD04 6" paper mid woofer 8 ohm

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Wavecor WF152BD04 6" paper mid woofer 8 ohm

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120,00 €

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The 6” transducers WF152BD03 (4 ohm) and WF152BD04 (8 ohm) were designed as high performance bass and midrange units for compact monitors and high-end hi-fi speakers.

  • Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
  • Copper cap on center pole to reduce voice coil inductance and to minimize variations in voice coil inductance as a function of voice coil position
  • Black coated semi-air-dried paper cone
  • Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
  • Vented voice coil former for reduced distortion and compression
  • Vented center pole with dual flares for reduced noise level at large cone excursions
  • Heavy-duty black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
  • Large motor with 1¼” voice coil diameter for better control and power handling
  • Built-in alu field-stabilizing ring for reduced distortion at high levels
  • Low-loss suspension (high Qm) for better reproduction of details and dynamics
  • Black motor parts for better heat transfer to the surrounding air
  • Conex spider for better durability under extreme conditions
  • Gold plated terminals to ensure long-term trouble free connection
  • Notes

      Parameter

    WF152BD03

    WF152BD04

    Unit

    Before burn-in

    After burn-in

    Before burn-in

    After burn-in

     

    Nominal size

    6

    6

    [inch.]

     

    Nominal impedance

    4

    8

    [ohm]

     

    Recommended max. upper frequency limit

    3.5

    3.5

    [kHz]

    1

    Sensitivity, 2.83V/1m (average SPL in range 300 - 1,000 Hz)

    91

    88.5

    [dB]

    2

    Power handling, short term, IEC 268-5, no additional filtering

     

     

    [W]

    2

    Power handling, long term, IEC 268-5, no additional filtering

     

     

    [W]

    2

    Power handling, continuous, IEC 268-5, no additional filtering

    70

    70

    [W]

     

    Effective radiating area, Sd

    93

    93

    [sq.cm]

    3, 6

    Resonance frequency (free air, no baffle), Fs

    55.5

    50

    56.5

    51

    [Hz]

     

    Moving mass, incl. air (free air, no baffle), Mms

    11.0

    10.6

    [g]

    3

    Force factor, Bxl

    5.8

    7.3

    [N/A]

    3, 6

    Suspension compliance, Cms

    0.75

    0.93

    0.75

    0.93

    [mm/N]

    3, 6

    Equivalent air volume, Vas

    9.2

    11.4

    9.2

    11.4

    [lit.]

    3, 6

    Mechanical resistance, Rms

    0.43

    0.46

    0.43

    0.46

    [Ns/m]

    3, 6

    Mechanical Q, Qms

    8.9

    7.5

    8.7

    7.3

    [-]

    3, 6

    Electrical Q, Qes

    0.36

    0.33

    0.44

    0.40

    [-]

    3, 6

    Total Q, Qts

    0.35

    0.31

    0.42

    0.38

    [-]

    4

    Voice coil resistance, RDC

    3.2

    6.3

    [ohm]

    5

    Voice coil inductance, Le (measured at 10 kHz)

    0.096

    0.15

    [mH]

     

    Voice coil inside diameter

    32

    32

    [mm]

     

    Voice coil winding height

    14

    14

    [mm]

     

    Air gap height

    5

    5

    [mm]

     

    Magnet weight

    630

    630

    [g]

     

    Total unit net weight excl. packaging

    1.46

    1.46

    [kg]

    3, 5

    Krm

    46

    50

    [mohm]

    3, 5

    Erm

    0.39

    0.42

    [-]

    3, 5

    Kxm

    260

    580

    [mH]

    3, 5

    Exm

    0.16

    0.12

    [-]

  • WF152BD04 SPL & impedance responseWF152BD03-04-outlineTerminals-dimensions

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