I din't noticeHere is a simple method to limit the output current by putting a series resistor in the output side, as the voltage gets to 0.7 V across the resistor the transistor turns on and pulls the voltage sense pin up thus lowering the output voltage. Current out is selected by choosing the resistor size . I = 0.7/ R
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Is the volume used in your schematic a voltage control volume?
I want a volume control amp