This is the circuit of a European commercial amplifier. It was published in Radio Electronics magazine in September 1958 and has a power of 5 watts with good sound quality.
This circuit was obtained from an old English book. Transistors are types of the time....
Found in an American magazine from 1968, this circuit produces pulses free of bounces on its...
We found this configuration with a logic circuit that is now uncommon in an 80's documentation. The circuit...