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Morel CAT 378 Tweeter

Morel CAT 378 Tweeter

Classic Advanced Tweeter, 8 Ohms.

Morel Logo

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:

    .pdf icon

    CAT378

    Customer Reviews

    Based on 2 reviews
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    J
    John
    Morel CAT378

    Not a review of the drive units received as such, because the project is still awaiting other parts from elsewhere, but the tweeters arrived rapidly and in good condition, as usual from Willys.

    However, FWIW, based on previous experience with Morel tweeters, and having heard the design I'll be including these in, I would also recommend Morel tweeters. Not necessarily the very highest resolution, but still good clarity, and very easy on the ears. Good power handling too, and easy to replace the diaphrams if the worst happens.

    Thanks for the review John !
    Will & Caroline

    S
    Simon Corfield
    Excellent customer service and good prices.

    Excellent customer service and good prices.

    Thanks for the review Simon !

    Will & Caroline

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