Morel EW 428 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.
Features
Uniflow™ steel chassis
Neodymium magnet system
2.1″ Large Hexatech™ Aluminum voice coil
High power handling
Shallow profile D.P.C cone
High linear excursion
Specifications
power handling (continuous/programme) = 150 W
frequency range = 45-3500 Hz
resonance frequency fs = 62 Hz
impedance R = 8 Ohm
sound pressure level SPL = 87 dB (2,83V; 1m)
DC resistance Re = 6,3 Ohm
force factor BL = 6,1 N/A
voice coil inductance L = 0,44 mH
effective piston radiating area Sd = 57 cm2
effective mechanical mass incl. air load mms = 6,16 g
equivalent volume of compliance Vas = 4,7 l
total Q factor Qts = 0,35 (Qms=2,36, Qes=0,41)
voice coil diameter = 54 mm
maximum peak linear excursion vibration xlin = +/- 4,5 mm
