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- After 1976, the plate voltages were lowered slightly for improved reliability.
- I doubt that it used a very high plate voltage.
- Areas with 220 240 volt AC supplies could develop higher plate voltage with a simple rectifier.
- Like most A . F . amplifiers in radios, the plate voltage is usually less than 60 volts.
- Some tube will provide some amplification down to 22 volts of plate voltage, though the amplification may be low.