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Wavecor WF182BD11 bass midrange 17 cm 4 ohm View larger

Wavecor WF182BD11 bass midrange 17 cm 4 ohm

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Wavecor WF182BD11 bass midrange 17 cm 4 ohm

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140,00 €

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The 7” transducers WF182BD09 and WF182BD11 (both 4 ohm) and WF182BD10 and WF182BD12 (both 8 ohm) were designed as high performance bass and midrange units for  monitors and high-end hi-fi speakers. They offer outstanding deep bass performance and dynamic and detailed midrange.

  • 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 1½” 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

    WF182BD09 and WF182BD11

    WF182BD10 and WF182BD12

    Unit

    Before burn-in

    After burn-in

    Before burn-in

    After burn-in

     

    Nominal size

    7

    7

    [inch.]

     

    Nominal impedance

    4

    8

    [ohm]

     

    Recommended max. upper frequency limit

    2.5

    2.5

    [kHz]

    1, 4

    Sensitivity, 2.83V/1m (average SPL in range 200 - 1,000 Hz)

    88.5

    86

    [dB]

    2, 4

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

     

     

    [W]

    2, 4

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

     

     

    [W]

    2

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

    80

    80

    [W]

     

    Effective radiating area, Sd

    131

    131

    [sq.cm]

    3, 4, 6

    Resonance frequency (free air, no baffle), Fs

    33

    28.5

    34

    29.5

    [Hz]

     

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

    23.4

    21.9

    [g]

    3, 4

    Force factor, Bxl

    6.5

    8.2

    [N/A]

    3, 4, 6

    Suspension compliance, Cms

    1.0

    1.33

    1.0

    1.33

    [mm/N]

    3, 4, 6

    Equivalent air volume, Vas

    24.3

    32.4

    24.3

    32.4

    [lit.]

    3, 4, 6

    Mechanical resistance, Rms

    0.44

    0.46

    0.44

    0.46

    [Ns/m]

    3, 4, 6

    Mechanical Q, Qms

    10.9

    9.1

    10.5

    8.8

    [-]

    3, 4, 6

    Electrical Q, Qes

    0.37

    0.32

    0.44

    0.38

    [-]

    3, 4, 6

    Total Q, Qts

    0.35

    0.31

    0.42

    0.37

    [-]

    4

    Voice coil resistance, RDC

    3.2

    6.4

    [ohm]

    5

    Voice coil inductance, Le (measured at 10 kHz)

    0.10

    0.17

    [mH]

     

    Voice coil inside diameter

    39

    39

    [mm]

     

    Voice coil winding height

    16

    16

    [mm]

     

    Air gap height

    5

    5

    [mm]

     

    Theoretical linear motor stroke, Xmax

    ±5.5

    ±5.5

    [mm]

     

    Magnet weight

    725

    725

    [g]

     

    Total unit net weight excl. packaging

    1.95

    1.95

    [kg]

    3, 4, 5

    Krm

    131

    117

    [mohm]

    3, 4, 5

    Erm

    0.30

    0.34

    [-]

    3, 4, 5

    Kxm

    17.5

    37

    [mH]

    3, 4, 5

    Exm

    0.47

    0.43

    [-]

  • WF182BD1_12_outline_DWGTerminals-dimensions

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