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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.
|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|