556: Difference between revisions

139 bytes added ,  3 September 2012
no edit summary
No edit summary
No edit summary
Line 10: Line 10:
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.