Convert 127 dB, sw to W. SWL
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How to work out the W in question. Working from 127db swl ?

Transcribed Image Text:Convert 127 dB
to W.
SWL

Transcribed Image Text:10 log Pin
Pout
dB
-12
Sound power level (dBaw) is defined by fixing the reference point (P) as 10
W.
SWL
in
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