Saturday, December 10, 2016

Audio output stage - not IC

This circuit uses 2N2222, 2N3904 and 2N3906. The one I built uses S9014, SS8850 and SS8050 . It is rated 2 watts. I'm driving a headset so I used a 5ufd cap to couple the output. You could use a 1000ufd output coupling capacitor and drive a speaker to a good volume.

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