Morel EW 428
4" (10cm) bass-midrange driver
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Description
Discover the EW 428 bass-midrange driver from Morel, a 4" (10cm) speaker from the Elite Series that impresses with its high-quality DPC cone material. With an impressive power handling of up to 800 watts and a Hexatech™ aluminum voice coil, this speaker is ideally suited for high tones. The fully shielded neodymium magnet and Uniflow™ chassis optimize sound quality by minimizing air restrictions. With a sensitivity of 87 dB and a frequency response of 55 to 5,500 Hz, the EW 428 meets demanding acoustic requirements. The robust construction includes a steel chassis and poly composite cone material, complemented by a neodymium magnet material. This speaker offers a complete package of innovative technologies for an outstanding listening experience.
Highlights
- DPC (Damped Polymer Composite) membrane material.
- Hexatech™ large diameter aluminum voice coil
- Fully shielded neodymium magnet
- Uniflow™ chassis eliminates air restrictions
- High load capacity
Properties
- Elite Series woofers
- 4" (10cm) bass-midrange driver
- Nominal diameter 102 mm
- Load capacity (QMW) 150 Watts
- Load capacity (max) 800 watts
- Impedance (Z) 8 ohms
- Sensitivity (SPL at 1m / 2.83V) 87 dB
- Frequency response 55 to 5,500 Hz
- Voice coil diameter 54 mm
- Direct current resistance (Re) 6.3 ohms
- Voice coil induction (Le) 0.44 mH
- Resonant frequency (Fs) 62 Hz
- Mechanical quality (Qms) 2.36
- Electrical quality (Qes) 0.41
- Overall quality (Qts) 0.35
- Moving mass (Mms) 6.16g
- Compliance of the suspension (Cms) 1.05 mm/N
- Diaphragm area (Sd) 57 cm²
- Displacement volume (Vd) 0.02565 L
- Force factor (BL) 6.1 Tm
- Equivalent volume (Vas) 5 L
- Maximum deflection (Xmax) 4.5 mm
- Cone / Diaphragm Material Poly Composite
- Bead material Rubber
- Voice coil wire material Aluminum
- Voice coil forming material Aluminum
- Basket / frame material Steel
- Magnet material Neodymium
- Outer diameter 119 mm
- Total depth 56.13 mm
- Cut-out diameter 94 mm
- Fixing holes 4
- Fixing hole diameter 3 mm
- Closed volume 0.84 L
- Closed F3 151 Hz
- Bass reflex volume 2.26 L
- Bass reflex F3 90 Hz
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