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The first stage is a differential amplifier made of two [[6AU6]] tubes. | The first stage is a differential amplifier made of two [[6AU6]] tubes. | ||
The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | ||
A [[T0520|T52P1]] CRT is standard in the 570. | |||
==Pictures== | ==Pictures== |