I would like to calculate the maximum volume of a pair of headphones I am considering purchasing. They have a sensitivity of 110db SPL/mW and a nominal impedance of 18 ohms. If I have a headphone amp that outputs a voltage of 9 volts, how loud could the headphones get? I have looked at a bunch of different websites explaining how to do this, but they are very confusing me.
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3/27/14 at 5:03pm