This excellent 30 W tube amplifier appeared in the April 1963 Radio Electronics magazine that taught how to assemble it. The critical components in our time are tubes and transformers.
This circuit appears elsewhere in this section and on this site. The circuit generates a linear...
This circuit was found in a 90s Hands-On Electronics. When a signal appears at the headphone...
This circuit, which may have more inputs, consists of an optical OR gate using common...