This 5 W transistor amplifier for the car was found in an English documentation from 1969. The transistors are from that time and the transformer is of a special type.
This transistor class B 5 W amplifier was found in a 1969 Mullard documentation. The transistors are...
This conventional power supply uses discrete components and can provide 12 V or 13.6 V output with...
This circuit is more sensitive than the previous one (CB4118E) for using a full wave detector. The...