Correcting previous post. Using the output impendance of music source to bias the power amp. Single transistor audio class A power amplifier with no other components part 2

Yesterday the Sony CD Walkman line output had been accidentaly connected between collector and base of the Pleiades 2N3055 power amplifier instead of between emmiter and base. It worked showing that the source of music can be used instead of the collector to base bias resistor. Today the CD walkman was connected between emmiter ground and base and a 56Kohms biasing resistor for best perceived bass was used. The sound was louder and still smooth. Both options are very interesting and yesterday's unusual.