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The first differential stage is made of a pair of [[OC170]] germanium PNP bipolar junction transistors | The first differential stage is made of a pair of [[OC170]] germanium PNP bipolar junction transistors | ||
driven single-endedly with emitters connected directly together (maximum voltage gain). | driven single-endedly with emitters connected directly together (maximum voltage gain). | ||
The second differential stage is made of | The second differential stage is made of both triodes of a [[6DJ8]] tube with cathodes connected directly together (maximum voltage gain). | ||
The vertical and horizontal amplifiers have feedback loops around them that determine their gain. | The vertical and horizontal amplifiers have feedback loops around them that determine their gain. | ||