TABLE OF CONTENTS M4 - A DEVICE FOR THE CRITICAL MIDRANGE Introduction Speech vs. music Design of a Midrange Driver What is Acoustic Power? Power Capacity Achieving Efficiency Composite Diaphragm Voice Coil Throat Distortion Phase Plug Magnetic Assembly Impedance Providing Pattern Control THE REBIRTH OF THE COAXIAL HORN VOICE-ONLY SYSTEM DESIGN USING THE M4 3-WAY SYSTEM DESIGN USING THE M4 M4 APPLICATIONS

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