Crown Audio - CL4

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Contents

crtJLun CONTRACTOR SERIES AC Power Draw and Thermal Dissipation This document provides detailed information about the amount of power and current drawn from the AC mains by the CL4 amplifier and the amount of heat produced under various conditions The calculations sented here are intended to provide a realistic and reliable depiction of the amplifier The following assumptions or approximations were made The amplifier s available channels are loaded and full power is being delivered The amplifier efficiency at standard 1 kHz power is estimated to be 77 Quiescent power draw is approximately 140 watts When running at full speed typical power draw for the internal fan is approximately 12 watts The estimated duty cycles take ...