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517: Difference between revisions
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The 517's external power supply provides +750 V to the indicator unit. | The 517's external power supply provides +750 V to the indicator unit. | ||
The highest voltage provided by the 555 and 551 power supplies is +500 V. | The highest voltage provided by the 555 and 551 power supplies is +500 V. | ||
Also, for example, the 517A has +180 V on pin 8 of the 16-pin connector while the 555 and 551 have -150 V on pin 8. | Also, for example, the 517A has +180 V on pin 8 of the 16-pin connector while the 555 and 551 have -150 V on pin 8. | ||
At serial number 1740 a [[thermal cutoff]] was added. | |||
=== Distributed Amplifiers === | === Distributed Amplifiers === | ||