I posted this question on several forums. On one of them the original designer of the the Fairchild version of the TDA2030 responded and convinced me to 86 this project. His suggestion was to go with a discrete buffer.   Done.   Thanks

Thanks

I have a TDA2030A based amplifier that should make a decent headphone amp except that its gain, at about 32 dB, is way too high. It would be easy to change the gain setting resistor or even put in a switch to change the gain from say 10 to 15 to 25 dB for proper Headphone use. But there is a...