This small 1W turntable amplifier was found in the 1975 RCA tube manual. It is a commercial circuit at the time.
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...