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Wavecor WF118WA07 4½" mid/woofers papercone 4ohm View larger

Wavecor WF118WA08 4½" mid/woofers papercone 8ohm

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Wavecor WF118WA08 4½" mid/woofers papercone 8ohm

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56,00 €

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WF118WA07 (4 ohm) and WF118WA08 (8 ohm) are 4½" mid/woofers designed for demanding bass and midrange applications. They work equally well for hi-fi, high quality home theater systems, multimedia setups, or high quality personal audio systems.
With the new SLIM-line frame design and a new suspension optimized for high-level bass output, these units are perfectly suited for compact high performance speakers.

  • FEA optimized suspension for perfect symmetry, reducing even order harmonic distortion
  • Balanced Drive motor with perfect force factor symmetry for reduced distortion
  • Alu field-stabilizing ring inside magnet assembly for reduced distortion at high levels
  • Vented voice coil former for reduced distortion and compression
  • Vented chassis for lower air flow speed reducing audible distortion
  • Heavy-duty black fiber glass voice coil bobbin to increase power handling and reduce mechanical losses resulting in better dynamic performance and low-level details
  • Large motor system with 1¼” voice coil diameter and 80 mm magnet for better control and efficiency
  • Progressive suspension with optimized compromise between linearity and soft clipping
  • Suspension with CONEX damper (spider) for long durability under extreme operating conditions
  • Gold plated terminals to prevent oxidation for long-term reliable connection
  • Delivered with foam gasket attached to the frame for hassle-free mounting and secure enclosure sealing
  • Notes

      Parameter

    WF118WA07

    WF118WA08

    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

    3

    [kHz]

    1, 4

    Sensitivity, 2.83V/1m (average SPL in range 200 - 2,000 Hz)

    87

    84

    [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

     

     

    [W]

     

    Effective radiating area, Sd

    54

    54

    [sq.cm]

    3, 4, 6

    Resonance frequency (free air, no baffle), Fs

    56

     

    58

     

    [Hz]

     

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

    6.9

    6.5

    [g]

    3, 4

    Force factor, Bxl

    4.5

    5.8

    [N/A]

    3, 4, 6

    Suspension compliance, Cms

    1.18

     

    1.18

     

    [mm/N]

    3, 4, 6

    Equivalent air volume, Vas

    4.9

     

    4.9

     

    [lit.]

    3, 4, 6

    Mechanical resistance, Rms

    0.31

     

    0.31

     

    [Ns/m]

    3, 4, 6

    Mechanical Q, Qms

    7.8

     

    7.6

     

    [-]

    3, 4, 6

    Electrical Q, Qes

    0.38

     

    0.45

     

    [-]

    3, 4, 6

    Total Q, Qts

    0.36

     

    0.42

     

    [-]

    4

    Voice coil resistance, RDC

    3.2

    6.4

    [ohm]

    5

    Voice coil inductance, Le (measured at 10 kHz)

    0.22

    0.36

    [mH]

     

    Voice coil inside diameter

    26

    26

    [mm]

     

    Voice coil winding height

    12

    12

    [mm]

     

    Air gap height

    4

    4

    [mm]

     

    Theoretical linear motor stroke, Xmax

    ±4

    ±4

    [mm]

     

    Magnet weight

     

     

    [g]

     

    Total unit net weight excl. packaging

     

     

    [kg]

    3, 4, 5

    Krm

    0.81

    1.34

    [mohm]

    3, 4, 5

    Erm

    0.79

    0.79

    [-]

    3, 4, 5

    Kxm

    3.6

    5.5

    [mH]

    3, 4, 5

    Exm

    0.73

    0.74

    [-]

    WF118WA08_impedance_respWF118WA08_SPL_responseWF118WA07_08-outline-DWGTerminals-dimensions

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