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.
Using the 709 integrated circuit, one of the first operational, this circuit was found in the...
This circuit can be used on a 0 to 14 V source with a current of 1 A. The PNP power transistor can be the...
The circuit presented is quite interesting due to the low-pass filter using the integrated circuit...