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Morel EW 428 4" Woofer

Brand:|Model: EW 428|Part # 297-120


Morel Elite Series 4" woofers feature large diameter voice coils, open yet strong frames, advanced composite cones, and carefully engineered magnetic circuits.
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List Price$224.99
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$168.00
Part # 297-120
Highlights
  • DPC (Damped Polymer Composite) cone material
  • Large diameter Hexatech™ aluminum voice coil
  • Fully shielded neodymium magnet
  • Uniflow™ chassis removes air restrictions
  • High power handling




Product Details

Morel EW 428 4" Woofer

Morel Elite Series 4" woofers feature large diameter voice coils, open yet strong frames, advanced composite cones, and carefully engineered magnetic circuits. Frequency response is extremely flat and overall definition is superb. Suitable for the most demanding audio reproduction systems.



Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)800 Watts
  • Impedance8 ohms
  • Frequency Response55 to 5,500 Hz
  • Sensitivity87 dB 2.83V/1m
  • Voice Coil Diameter2.125"
Thiele-Small Parameters
  • Resonant Frequency (Fs)62 Hz
  • DC Resistance (Re)6.3 ohms
  • Voice Coil Inductance (Le)0.44 mH
  • Mechanical Q (Qms)2.36
  • Electromagnetic Q (Qes)0.41
  • Total Q (Qts)0.35
  • Compliance Equivalent Volume (Vas)0.17 ft.³
  • Mechanical Compliance of Suspension (Cms)1.05 mm/N
  • BL Product (BL)6.1 Tm
  • Diaphragm Mass Inc. Airload (Mms)6.16g
  • Maximum Linear Excursion (Xmax)4.5 mm
  • Surface Area of Cone (Sd)57 cm²
Materials of Construction
  • Cone MaterialPoly Composite
  • Voice Coil Wire MaterialAluminum
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialSteel
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter4.67"
  • Baffle Cutout Diameter3.7"
  • Depth2.21"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.03 ft.³
  • Sealed F3151 Hz
  • Vented Volume0.08 ft.³
  • Vented F390 Hz
Morel EW 428 4" Woofer
  • BrandMorel
  • ModelEW 428
  • Part Number297-120
  • UPC844621070840
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Weight1.3 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 EW 428 4" Woofer

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Morel EW 428 4" Woofer

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Part # 297-120
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