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Hum Measurements
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Joseph Meditz
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** A power level of 1 uW is 60 dB below a power of 1 watt.
The SPL with ear held close to an efficient, 12 inch speaker for 1 watt
could be 120 dB.
120 - 60 = 60 .
.......... Phil
So it's well within the range of audibility. Thanks Phil.
Joe
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