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531: Difference between revisions
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which has more convenient controls and a slightly faster (15MHz) vertical amplifier. | which has more convenient controls and a slightly faster (15MHz) vertical amplifier. | ||
In serial numbers 101 to 7600, | |||
the 531's L-C [[delay line]] is before the vertical amplifier. | |||
In serial numbers 7601 and up, | |||
the 531's delay line is between the vertical amplifier and the CRT. | |||
What was the reason for this change? | |||
There is also a rack-mount 531A, Type RM31A. | There is also a rack-mount 531A, Type RM31A. | ||