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System Design Aids Updated: July 2, 2007 This file shows estimated AC current consumption of QSC amplifiers driven at various power levels into loads of 8, 4, and 2 ohms per channel. Sine wave power measurements are given for reference purposes only and do not represent "real world" audio conditions.  Updated: July 2, 2007 This chart shows each amplifier's estimated heat loss in both BTUs and kilocalories per hour.  70 volt speaker calculator and QSC amplifier matrix (XLS 61K)Updated: March 2008 This spreadsheet for Microsoft Excel allows the user to calculate total impedance and required power levels for any combination of 25, 70, 100 or 144 voltage capable, transformer equipped loudspeakers. Also included in this spreadsheet are references to QSC amplifier models and their power output at various impedance levels. |
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