How much power do I need? Find out using this method...


I've been hanging out on diyaudio and ran across this simple technique to measure the power used by your speakers.  So many discussions here revolve around this question that I thought I'd post the method...

If you have a multi meter, you can use the test tone & technique provided here to calculate how many watts your speakers actually use: https://www.diyaudio.com/forums/multi-way/204857-test-voltage-power-speakers.html

It’s super informative & useful: all you do is set your volume at the max listening level you use, then play the -12db 120hz test tone while measuring voltage at the speaker terminals. Square that value and you’ve got the maximum watts needed. Plenty to read at the link...
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