Demonstration of the Knight T-60, and Heathkit VFO VF 1 Power Supply. Post #356.
One of the popular transmitters used by newly minted novice amateur radio operators in the 1960s and 1970s was the Knight Kit T-60. It was fairly cheap ($49.95) and could be operated in either AM phone or CW. As I remember, the T-60 had four tubes--6HF8 (oscillator), 6DQ6 (power amplifier), a 6DR7, and a 12AX7. The rig had a bad chirp on CW, most likely caused by improper loading of the plate circuit. That defect resulted in many FCC pink tickets and OO reports for new licensees. Although I never owned one, I used the rig a few times during field days and other portable operations. When I was first licensed as a novice in 1977, I was offered an old Heathkit HW-101 and that pushed the T-60 project out the door. This video does a good job of describing the functions and quirks of this early ham radio transmitter. Here are two places where you can find out more about this "classic" novice rig: http://www.ehmam.net (07 January 2015) and w9zt.webs.com. For the latest Ama...