556: Difference between revisions
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and the trigger circuit sits on its own small PC board | and the trigger circuit sits on its own small PC board | ||
just behind the trigger source selection switch. | just behind the trigger source selection switch. | ||
The vertical amplifier of the 556 is solid state except for the input cathode followers ([[12AT7]]) and and the | |||
output stage ([[8608]]). | |||
A rack-mount version, the RM556 also exists. | A rack-mount version, the RM556 also exists. | ||