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Morel CAW 428 4" Classic Woofer

Brand:|Model: CAW 428|Part # 297-080

The Classic Advanced woofers are based on Morel's renowned MW series. This woofer features an aerodynamic Uniflow™ open chassis, large diameter spider, powerful neodymium magnets, and low resonance frequency and Qts point.
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List Price$142.99
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Part # 297-080
  • Large 2.1" Hexatech™ aluminum voice coil
  • Uniflow™ stamped steel chassis
  • Neodymium motor with vented pole
  • Shallow profile DPC cone
  • High excursion

Product Details

Morel CAW 428 4" Classic Woofer

The Classic Advanced woofers is based on Morel's renowned MW series. These products have high power handling due to the aerodynamic Uniflow™ open chassis and large diameter spider. This woofer uses a powerful neodymium magnet system, delivering higher magnetic flux and resulting in a low resonance frequency and Qts point.

Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)800 Watts
  • Impedance8 ohms
  • Frequency Response50 to 6,000 Hz
  • Sensitivity88 dB 2.83V/1m
  • Voice Coil Diameter2.1"
Thiele-Small Parameters
  • Resonant Frequency (Fs)74 Hz
  • DC Resistance (Re)5.5 ohms
  • Voice Coil Inductance (Le)0.32 mH
  • Mechanical Q (Qms)2.33
  • Electromagnetic Q (Qes)0.46
  • Total Q (Qts)0.38
  • Compliance Equivalent Volume (Vas)0.16 ft.³
  • Mechanical Compliance of Suspension (Cms)1.01 mm/N
  • BL Product (BL)5 Tm
  • Diaphragm Mass Inc. Airload (Mms)4.55g
  • Maximum Linear Excursion (Xmax)4 mm
  • Surface Area of Cone (Sd)57 cm²
Materials of Construction
  • Cone MaterialPoly Composite
  • Surround MaterialRubber
  • Voice Coil Wire MaterialAluminum
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialSteel
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter4.67"
  • Baffle Cutout Diameter3.7"
  • Depth1.77"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.05 ft.³
  • Sealed F3154 Hz
  • Vented Volume0.11 ft.³
  • Vented F385 Hz
Morel CAW 428 4" Classic Woofer
  • BrandMorel
  • ModelCAW 428
  • Part Number297-080
  • UPC844632065996
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight1.2 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Morel CAW 428 4" Classic Woofer

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