MOREL EM 428 11 CM Midrange high quality

MOREL EM 428 11 CM Midrange high quality

A unique 4" unit that incorporates a damped polymer composite cone, 2-1/8" Hexatech™ aluminum voice coil, neodymium magnet system, high power handling, and a smooth response up to 5kHz. These features combine to produce a very impressive midrange driver. Improved version of Morel's famous MW 114S.

Product Details

Brand Morel

Model EM 428

Part Number 287-032

UPC 844632065989

Unit of Measure Each

Weight 1.2

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Product Specifications

Nominal Diameter 4"

Moving Mass Of Diaphragm (Mmd) 6.55

Power Handling (RMS) 150 Watts

Power Handling (MAX) 210 Watts

Impedance 8Ω

Frequency Response 50 to 5,000Hz

Sensitivity 87dB 2.83V/1m

Voice Coil Diameter 2.125"

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Thiele-Small Parameters

Resonant Frequency (Fs) 68Hz

DC Resistance (Re) 5.4Ω

Mechanical Q (Qms) 3.03

Electromagnetic Q (Qes) 0.48

Total Q (Qts) 0.41

Compliance Equivalent Volume (Vas) 0.12ft³

Mechanical Compliance of Suspension (Cms) 0.88mm/N

Maximum Linear Excursion (Xmax) 3mm

Surface Area of Cone (Sd) 57cm²

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Materials of Construction

Cone Material Poly Composite

Voice Coil Wire Material Aluminum

Voice Coil Former Aluminum

Basket / Frame Material Steel

Magnet Material Neodymium

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Mounting Information

Overall Outside Diameter 4.67"

Baffle Cutout Diameter 3.7"

Depth 2.2"

# Mounting Holes 4

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Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume 0.04ft³

Sealed F3 131Hz

Vented Volume 0.11ft³

Vented F3 69Hz