This circuit provides a few watts of output and can be used in the car as an auxiliary amplifier. Transistors must be mounted on heatsinks and the speaker can be 4 ohms or 8 ohms.
Using a CA3130, we found this circuit in an English publication from 1977. The circuit must use a...
We found this circuit in an American documentation from the 90s. The consumption is only 1 uA in...
This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies...