Revised circuit
Had to do a minor modification to avoid the output transistors conduct at the same time in high levels. ( And smoke 😡 )
Removed the two 4.7uF capacitors and replaced them by one 0.22uF.
Had to do a minor modification to avoid the output transistors conduct at the same time in high levels. ( And smoke 😡 )
Removed the two 4.7uF capacitors and replaced them by one 0.22uF.