Hey, does anyone know the component I've marked out on this schematic? It's TI's LM386, my best guess is current source? I'm trying to analyze the internals of how this amp works, I'm unsure as to what's going on during the positive half of the waveform input...
http://www.ti.com/lit/ds/symlink/lm386.pdf
http://www.ti.com/lit/ds/symlink/lm386.pdf