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Old 6th August 2015, 03:51 PM   #1
355F1 is offline 355F1  United States
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Smile Calculating wattage in a listening session


How do you calculate the watts an amplifier is using during a listening session?

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Old 8th August 2015, 10:32 PM   #2
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Location: Carlisle, England
Measure the output voltage then square it and divide by speaker ohms to get peak watts.
Or multiply result by 0.707 to get output RMS watts.
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Old 8th August 2015, 11:45 PM   #3
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Default Wattage table

Hope this helps
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