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.
Found in an American publication from the 1980s, this circuit modulates an LED Laser for the...
Suggested by an old RCA manual, this circuit makes use of the period components. Data for the...
This interesting amplifier for frame antenna for the medium wave range was found in a Popular...