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515: Difference between revisions
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for converting them to silicon rectifiers for improved reliability. | for converting them to silicon rectifiers for improved reliability. | ||
Starting at serial number 4424, the 515A used the [[120-142]] power transformer, | Starting at serial number 4424, the 515A used the [[120-142]] power transformer, | ||
the same part that is used in the [[516]] | the same part that is used in the [[516]]. | ||
The vertical amplifier is fully differential, DC-coupled, and all tube. The stages are as follows: | The vertical amplifier is fully differential, DC-coupled, and all tube. The stages are as follows: | ||