Street News

How To Calculate Actual Amplifier Wattage!

FIRST, WE NEED TO HOOK UP OUR SYSTEM WITH ALL THE CORRECT COMPONENTS. THEN WE NEED TO TEST OUT SYSTEM WITH A SINE WAVE. USING A 1Khz TEST TONE, WITH OUR METER SET AT 200 AC-VOLTS, WE PLAY THE DECK TO MAX UNCLIPPED SIGNAL. THE READING WE GET IS THEN PLUGGED INTO OUR FORMULA

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AC VOLTS X AC VOLTS

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         IMPEDANCE

THIS GIVES US THE ACTUAL OUTPUT @ 1K. THIS IS JUST A CLOSE ESTIMATE. IN ORDER TO BE TRULY ACCURATE, YOU WOULD NEED TO KNOW THE IMPEDANCE AT 1 KHZ. WHICH WE CAN VERIFY USING AN IMPEDANCE TESTER.

About Jefferson Bryant (223 Articles)
A life-long gearhead, Street Tech Magazine founder and editor Jefferson Bryant spends more time in the shop than anywhere else. His career began in the car audio industry as a shop manager, eventually working his way into a position at Rockford Fosgate as a product designer. In 2003, he began writing tech articles for magazines, and has been working as an automotive journalist ever since. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin’, Mopar Muscle, and many more. Jefferson has also written 5 books and produced countless videos. Jefferson operates Red Dirt Rodz, his personal garage studio, where all of his magazine articles and tech videos are produced. You can follow Jefferson on Facebook (Jefferson Bryant), Twitter (71Buickfreak), and YouTube (RedDirtRodz).

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