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Wavecor SW270WA01 25 cm bass paper cone 4ohm View larger

Wavecor SW270WA01 25 cm bass paper cone 4ohm

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Wavecor SW270WA01 25 cm bass paper cone 4ohm

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158,00 €

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The 10½” transducer SW270WA01 was designed specifically for high performance  subwoofer applications where sound quality and low distortion are the priorities. It features the Wavecor Balanced Drive motor technology.

  • Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
  • Extremely large linear stroke, Xmax = ± 11 mm, ensuring low distortion at high output levels
  • Very rigid air dried paper cone cone to ensure piston motion at high levels for reduced distortion
  • Chassis with extensive venting for lower air flow speed reducing audible distortion
  • 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 2” 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 platedd 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

    Before
    burn-in

    After
    burn-in

    Unit

     

    Nominal size

    10½

    [inch.]

     

    Nominal impedance

    4

    [ohm]

     

    Recommended max. upper frequency limit

    400

    [Hz]

    1, 3

    Sensitivity, 2.83V/1m (calculated from T/S parameters)

    88

    [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

    150

    [W]

     

    Effective radiating area, Sd

    312

    [sq.cm]

    3, 6

    Resonance frequency (free air, no baffle), Fs

    28

     

    [Hz]

     

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

    88

    [g]

    3

    Force factor, Bxl

    9.7

    [N/A]

    3, 6

    Suspension compliance, Cms

    0.37

     

    [mm/N]

    3, 6

    Equivalent air volume, Vas

    51

     

    [lit.]

    3, 6

    Mechanical resistance, Rms

    1.9

     

    [Ns/m]

    3, 6

    Mechanical Q, Qms

    8.1

     

    [-]

    3, 6

    Electrical Q, Qes

    0.53

     

    [-]

    3, 6

    Total Q, Qts

    0.49

     

    [-]

    4

    Voice coil resistance, RDC

    3.2

    [ohm]

    5

    Voice coil inductance, Le (measured at 1 kHz)

    1.4

    [mH]

     

    Voice coil inside diameter

    51

    [mm]

     

    Voice coil winding height

    28

    [mm]

     

    Air gap height

    6

    [mm]

     

    Theoretical linear motor stroke, Xmax

    ±11

    [mm]

     

    Magnet weight

     

    [g]

     

    Total unit net weight excl. packaging

    3.6

    [kg]

    3, 5

    Krm

    17

    [mohm]

    3, 5

    Erm

    0.61

    [-]

    3, 5

    Kxm

    10.5

    [mH]

    3, 5

    Exm

    0.75

    [-]

    SW270WA01-SPL-&-IMPSW270WA01-outline-drawingTerminals-dimensions

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