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.
| Specifications | |
|---|---|
| Brand | Morel |
| Model | EW 428 |
| Sold As | Each |
| Nominal Diameter | 4" |
| Nominal Impedance | 8 ohms |
| RMS Power | 150 Watts |
| Peak Power (Watts) | 800 Watts |
| Sensitivity (dB) | 87 dB 2.83V/1m |
| Maximum Linear Excursion (Xmax) | 4.5 mm |
| Usable Frequency range (Hz) | 55 to 5,500 Hz |
| Basket / Frame Material | Steel |
| Voice Coil Diameter | 2.125" |
| Voice Coil Former | Aluminum |
| Voice Coil Wire Material | Aluminum |
| Magnet Material | Neodymium |
| Parameters | |
|---|---|
| Resonant Frequency (Fs) | 62 Hz |
| Compliance Equivalent Volume (Vas) | 0.17 ft3 |
| Total Q (Qts) | 0.35 |
| Mechanical Q (Qms) | 2.36 |
| Electromagnetic Q (Qes) | 0.41 |
| DC Resistance (Re) | 6.3 ohms |
| Surface Area of Cone (Sd) | 57 cm2 |
| Voice Coil Inductance (Le) | 0.44 mH |
| Moving Mass (Mms) | 6.16g |
| BL Product (BL) | 6.1 Tm |
| Mechanical Compliance (cm2) | 1.05 mm/N |
| Mounting and Shipping Information | |
| Overall Diameter | 4.67" |
| # of Mounting Holes | 4 |
| Depth | 2.21" |
| Net Weight(lb) | 0.4 |
| Recommended Cabinet Size | |
| Sealed Enclosure Volume | 0.01 ft3 |
| Sealed F3 | 196 Hz |
| Vented Enclosure Volume | 0.02 ft3 |
| Vented F3 | 95 Hz |