517: Difference between revisions
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* Gain Stage 5: differential, twelve sections, distributed, [[6CB6]] pentodes | * Gain Stage 5: differential, twelve sections, distributed, [[6CB6]] pentodes | ||
There is a trigger amplifier in the 517 which can its input from | There is a trigger amplifier in the 517 which can take its input from | ||
an external source, or | an external source, or | ||
from the trigger pickoff in the vertical pre-amp, or | from the trigger pickoff in the vertical pre-amp, or | ||