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==Internals== | ==Internals== | ||
The 511 and 511A were normally furnished with P1 [[phosphor]]. P7 and P11 were optional, at no extra charge. | |||
The 511/511A uses a standard CRT, the [[5CP1A]] ([[phosphor|P1]]), [[5CP7A]] ([[phosphor|P7]]) or [[5CP11A]] ([[phosphor|P11]]) below S/N 5100, the [[5AB]]P from 5100 up. | The 511/511A uses a standard CRT, the [[5CP1A]] ([[phosphor|P1]]), [[5CP7A]] ([[phosphor|P7]]) or [[5CP11A]] ([[phosphor|P11]]) below S/N 5100, the [[5AB]]P from 5100 up. | ||
The vertical output of the 511A is a pair of [[6AG7]] tubes, | The vertical output of the 511A is a pair of [[6AG7]] tubes, | ||
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The 511 and 511A use a [[6AL5]] tube (V3) as the disconnect diode for the sweep. | The 511 and 511A use a [[6AL5]] tube (V3) as the disconnect diode for the sweep. | ||
There was an option that added a 1 μs marker generator. | There was an option that added a 1 μs marker generator. |