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Morel CAT 378 Tweeter

Morel CAT 378 Tweeter

Classic Advanced Tweeter, 8 Ohms.

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The Morel CAT 378 is the modern updated replacement for the legendary MDT-37. This high efficiency horn loaded tweeter features a field replaceable hand coated 28mm Acuflex textile dome, a large ferrofluid cooled Hexatech aluminium voice coil, a vented ferrite magnet system and a tuned / damped rear chamber. This tweeter is ideal for low powered valve amps and has a detailed, unfatiguing sound with a gently downward sloping response - excellent for taming 'live' rooms with hard surfaces. Recommended frequency use: 2000-20,000 Hz. High power rating of 200w nominal, 1000w peak.

A full datasheet can be downloaded from the bottom of this page.

Key Features:

    • 94mm horn loaded face plate
    • 28mm Acuflex™ replaceable dome / coil assembly
    • Large 2 layer Hexatech aluminium voice coil
    • Vented ferrite magnet system
    • High sensitivity:  93 dB/1 watt
    • High power handling

    Basic parameters:

    Resonant frequency (fs) 700 Hz Nominal impedance (Zn) 8 Ω
    Effective diaphragm diameter 28mm DC resistance (Re) 5.2 Ω
    Ferrofluid ? Y/N Yes RMS power handling 200W
    Recommended crossover 2khz Faceplate diameter 94mm
    Sensitivity (2.83V/1m) 93 dB Cutout hole diameter 72 mm

    Here's the full datasheet:

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