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Morel EW 428

Morel EW 428 Woofer

Elite 4" Woofer, 2.1" voicecoil, 8Ω

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The Morel EW 428 is a 4 inch 8 ohm Woofer from the Elite range featuring the Morel Uniflow rigid steel chassis, a powerful Neodymium magnet system, 2.1 inch Hexatech aluminium voice coil and a shallow DPC (damped composite polymer) cone.  The rated power is high at 150w nominal, 800w peak. This driver features a large vent in the pole piece for minimal compression when driven hard and has a high maximum linear excursion of 9mm.

Key Features:

    • 2.1" Large Hexatech™ Aluminum voice coil
    • Neodymium magnet system
    • Uniflow™ steel chassis
    • Shallow profile D.P.C cone
    • High maximum linear excursion
    • High power handling

    Basic parameters:

    Resonant frequency (fs) 62 Hz Nominal impedance (Zn) 8 Ω
    Mechanical  Q factor (Qms) 2.36 DC resistance (Re) 6.3 Ω
    Electrical Q factor (Qes) 0.41 RMS power handling 150W
    Total Q factor (Qts) 0.35 Sensitivity (2.83V/1m) 87 dB
    Equivalent volume (Vas) 4.7 L Chassis diameter 118.5 mm

    Here's the full datasheet:

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