This transformerless 16-ohm speaker circuit was found in a Radio Electronics from October 1963. The circuit is powered by 12 V and the gain is 50 dB.
This circuit was obtained from the July 1970 issue of Radio Electronics magazine. The circuit...
This circuit is from the Motorola Linear Databook of 1990. The values of the components depend on the...
The purpose of this circuit, which we find in an old American documentation, is to allow the...