3 ms·

>The screen would need a few seconds to finally warm up and be fully on. is that why we hear the audio before video is ready ?

• dsr_ 7y ago
  Yes. The radio receiver, sound decoder, amplifier and speaker all work on very little charge and can bring you the sound in a fraction of a second after being turned on; the CRT needs to power up magnets and a particle accelerator Late in the history of CRTs, some units kept the electron gun warmed up whenever the unit was plugged in -- so it was never all the way off. That enabled an "instant on" feature, at the cost of more power usage.
  • LocalH 7y ago
    Pretty sure the "instant on" sets also caused premature aging to the CRT. They'd keep the filament partially heated all the time.
    • agumonkey 7y ago
      and premature aging of your savings