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Ideal headphones impedance/sensitivity for op-amp

The maximum output voltage of my audio source is 3 Vpp and the maximum output current of my amplifier (op-amp AD4075-2) is supposed to be 45 mA. What would be the ideal impedance and sensitivity of ...
Domingo's user avatar
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4 votes
2 answers
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How do I calculate sound pressure level (dB SPL) from headphones at a specific setting on my sound card?

I am using headphones with sensitivity 102 dB SPL / 1 Vrms with impedance of 300 ohms. For a particular volume knob setting on my sound card embedded with a headphone pre-amplifier, I would like to ...
Tanmayee Pathre's user avatar