Postwar American Television Snaider Audio/Video Chassis At the left is a continous "Inductuner" with RF amplifier, oscillator and mixer. Directly behind the controls ae the tubes (valves) for the video and audio IF stages. At the rear are the audio tubes (valves). Invisible text to format smartphones. xxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxx xxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxx |