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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.
|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|