This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
L1 is the secunday wound of a common power transformer with voltages between 6 and 12 V and...
This circuit is from the documentation of the 90s. Thus, the integrated circuit used is not common...
This circuit is from the 1972 RCA Linear Integrated Circuits Manual, but it can be made based on...