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When an amplifier is said to have a given power output, is that number a measure of it's total output, or the actual power that is being converted into music?
For example, if I have an amp that is rated at 100wRMS x 2 channels, does that mean that the total output of the amp is 100wRMS x 2 channels before inefficiency is considered? So if the amp is 70% efficient then only 70 of those 100w per channel will be converted into music? Or does the rating measure the actual watts that will be used for music power after inefficiency is considered?
Thanks
For example, if I have an amp that is rated at 100wRMS x 2 channels, does that mean that the total output of the amp is 100wRMS x 2 channels before inefficiency is considered? So if the amp is 70% efficient then only 70 of those 100w per channel will be converted into music? Or does the rating measure the actual watts that will be used for music power after inefficiency is considered?
Thanks