Wavecor WF120BD06 Glass Fiber 11cm midwoofer 8 ohm

    Wavecor WF120BD06 Glass Fiber 11cm midwoofer 8 ohm

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    €148.00
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    Wavecor WF120BD06 Glass Fiber 11cm midwoofer 8 ohm

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    The 4¾” transducers WF120BD05/WF120BD09 (4 ohm) and WF120BD06/WF120BD10 (8 ohm) were designed as high performance bass and midrange units for very compact monitors and high-end hi-fi speakers.
    The only difference between WF120BD05 and WF120BD09 is the shape of the mounting flange of the frames. WF120BD06 and WF120BD10 differ in the same way.

        • 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
        • Cone made of a new paper/glass fiber mix with improved consistency and stability
        • 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

    WF120BD05 / WF120BD09

    WF120BD06 / WF120BD10

    Unit

    Before burn-in

    After burn-in

    Before burn-in

    After burn-in

     

    Nominal size

    [inch.]

     

    Nominal impedance

    4

    8

    [ohm]

     

    Recommended max. upper frequency limit

    3.5

    3.5

    [kHz]

    1, 4

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

    87

    84

    [dB]

    2, 4

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

    150

    150

    [W]

    2, 4

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

     

     

    [W]

    2, 4

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

    60

    60

    [W]

     

    Effective radiating area, Sd

    54

    54

    [sq.cm]

    3, 4, 6

    Resonance frequency (free air, no baffle), Fs

    52

    48

    54

    50

    [Hz]

     

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

    7.3

    6.7

    [g]

    3

    Force factor, Bxl

    4.1

    5.2

    [N/A]

    3, 4, 6

    Suspension compliance, Cms

    1.29

    1.50

    1.29

    1.50

    [mm/N]

    3, 4, 6

    Equivalent air volume, Vas

    5.3

    6.2

    5.3

    6.2

    [lit.]

    3, 4, 6

    Mechanical resistance, Rms

    0.30

    0.30

    0.30

    0.30

    [Ns/m]

    3, 4, 6

    Mechanical Q, Qms

    7.9

    7.4

    7.6

    7.0

    [-]

    3, 4, 6

    Electrical Q, Qes

    0.45

    0.42

    0.54

    0.50

    [-]

    3, 4, 6

    Total Q, Qts

    0.43

    0.40

    0.50

    0.47

    [-]

    4

    Voice coil resistance, RDC

    3.2

    6.4

    [ohm]

    5

    Voice coil inductance, Le (measured at 10 kHz)

    0.087

    0.16

    [mH]

     

    Voice coil inside diameter

    32

    32

    [mm]

     

    Voice coil winding height

    12

    12

    [mm]

     

    Air gap height

    4

    4

    [mm]

     

    Theoretical linear motor stroke, Xmax

    ±4

    ±4

    [mm]

     

    Magnet weight

    370

    370

    [g]

     

    Total unit net weight excl. packaging

    1.05

    1.05

    [kg]

    3, 4, 5

    Krm

    40

    109

    [mohm]

    3, 4, 5

    Erm

    0.39

    0.35

    [-]

    3, 4, 5

    Kxm

    61

    145

    [mH]

    3, 4, 5

    Exm

    0.32

    0.27

    [-]

      • WF120BD06_10-SPL-&-IMP-resp

    WF120BD05_06-outline-drawingTerminals-dimensions

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