Wavecor WF182BD09 Glass Fiber 17 cm bass midrange

    Wavecor WF182BD09 Glass Fiber 17 cm bass midrange

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    €213.00
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    Wavecor WF182BD09 Glass Fiber 17 cm bass midrange

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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

      [-]

      WF182BD09_10_outline_DWGTerminals-dimensions
    WF182BD09
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