Wavecor WF152BD04 6" paper mid woofer 8 ohm

    Wavecor WF152BD04 6" paper mid woofer 8 ohm

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    Wavecor WF152BD04 6" paper mid woofer 8 ohm

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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
    WF152BD04
    4 Items

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