Wavecor SW275BD01 Woofer 25 cm paper cone
Wavecor SW275BD01 Woofer 25 cm paper cone
    Wavecor SW275BD01 Woofer 25 cm paper cone
    Wavecor SW275BD01 Woofer 25 cm paper cone

    Wavecor SW275BD01 Woofer 25 cm paper cone

    SHIPMENT IN 5-7 WORKING DAYS
    €671.00
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    • Wavecor SW275BD01 Woofer  25 cm paper cone

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    Wavecor SW275BD01 Woofer  25 cm paper cone

    10.75" Ultra-High Performance Subwoofer Unit
    When nothing but the most extreme in bass output and performance is required.
    Very low distortion from below 20 Hz

    FEATURES

    • Extreme overhung voice coil with +/-16mm of linear stroke to ensure lowest distortion at very high drive levels
    • FEA optimized suspension for improved symmetry and lower distortion
    • Very large motor structure with 2.5” voice coil for better control and power handling
    • Balanced Drive motor for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
    • Rigid Foamed Paper cone to ensure piston motion even at high levels - for reduced distortion
    • Dual-spider design for higher mechanical durability and high-excursion stability
    • Rigid die cast alu 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 fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
    • 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 plated 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

    Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing

    SW275BD01-FR

    Measuring conditions, SPL
    Driver mounting: Flush in infinite
         baffle, back side open (no cabinet)
    Microphone distance: 1.0 m
    Input signal: 2.83 VRMS stepped sine wave
    Smoothing: 1/6 oct.

    Measuring conditions, impedance
    Driver mounting: Free air, no baffle,
         back side open (no cabinet)
    Input signal: Stepped sine wave, semi-
         current-drive, nominal current 2 mA
    Smoothing: None

    SW275BD01-IMP
    SW275BD02-FR

    Measuring conditions, SPL
    Driver mounting: Flush in infinite
         baffle, back side open (no cabinet)
    Microphone distance: 1.0 m
    Input signal: 2.83 VRMS stepped sine wave
    Smoothing: 1/6 oct.

    Measuring conditions, impedance
    Driver mounting: Free air, no baffle,
         back side open (no cabinet)
    Input signal: Stepped sine wave, semi-
         current-drive, nominal current 2 mA
    Smoothing: None

    SW275BD02-IMP

    HARMONIC DISTORTION

    OUTLINE DRAWING AND NOMINAL DIMENSIONS

    SW275BD01_02 outline drawing PDF
    SW275BD01-dwg

    TERMINAL NOMINAL DIMENSIONS (mm)

    Terminals

    Thickness, both terminals: 0.8 mm
    Terminal plating: Gold

    PACKAGING AND ORDERING INFORMATION

    Part no. SW275BD01-01

    4 ohm version, individual packaging (one piece per box)

    Part no. SW275BD02-01

    8 ohm version, individual packaging (one piece per box)

    SPECIFICATIONS

    Notes

      Parameter

    SW275BD01

    SW275BD02

    Unit

    Before burn-in

    After burn-in

    Before burn-in

    After burn-in

     

    Nominal size

    10.75

    10.75

    [inch.]

     

    Nominal impedance

    4

    8

    [ohm]

     

    Recommended max. upper frequency limit

    400

    400

    [Hz]

    1, 4

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

    85.5

    82.5

    [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

    250

    250

    [W]

     

    Effective radiating area, Sd

    314

    314

    [sq.cm]

    3, 4, 6

    Resonance frequency (free air, no baffle), Fs

    30.8

     

    31.6

     

    [Hz]

     

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

    121

    115

    [g]

    3, 4

    Force factor, Bxl

    12.1

    15.2

    [N/A]

    3, 4, 6

    Suspension compliance, Cms

    0.22

     

    0.22

     

    [mm/N]

    3, 4, 6

    Equivalent air volume, Vas

    31

     

    31

     

    [lit.]

    3, 4, 6

    Mechanical resistance, Rms

    1.85

     

    1.85

     

    [Ns/m]

    3, 4, 6

    Mechanical Q, Qms

    12.7

     

    12.4

     

    [-]

    3, 4, 6

    Electrical Q, Qes

    0.59

     

    0.70

     

    [-]

    3, 4, 6

    Total Q, Qts

    0.57

     

    0.67

     

    [-]

    4

    Voice coil resistance, RDC

    3.7

    7.1

    [ohm]

    5

    Voice coil inductance, Le (measured at 1 kHz)

    0.94

    1.54

    [mH]

     

    Voice coil inside diameter

    64

    64

    [mm]

     

    Voice coil winding height

    39

    39

    [mm]

     

    Air gap height

    7

    7

    [mm]

     

    Theoretical linear motor stroke, Xmax

    +/-16

    +/-16

    [mm]

     

    Magnet weight

     

     

    [g]

     

    Total unit net weight excl. packaging

    8

    8

    [kg]

    3, 4, 5

    Krm

    16

    51

    [mohm]

    3, 4, 5

    Erm

    0.52

    0.44

    [-]

    3, 4, 5

    Kxm

    2.4

    3.5

    [mohm]

    3, 4, 5

    Exm

    0.87

    0.87

    [-]

    SW275BD01
    4 Items

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