This power supply was found in a RCA publication from the 1970s. The circuit uses transistors from that time. Modern equivalent transistors can be used.
This vox was found in Hughes documentation from 1968. The circuit uses components from the era. A...
Although not using transformers, this amplifier may have difficulty mounting if the original...
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...