545: Difference between revisions

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85 bytes added ,  10 December 2011
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There was never a full-speed dual-trace plugin - that would wait until
There was never a full-speed dual-trace plugin - that would wait until
Types [[1A1]] and [[1A2]], which came out with the 545B.
Types [[1A1]] and [[1A2]], which came out with the 545B.
Early 545 units have [[selenium rectifiers]].  Later units have silicon rectifiers.


There were also rack-mount versions.  Types RM41 and RM45 were [[introduced in 1957|introduced in October 1957]],
There were also rack-mount versions.  Types RM41 and RM45 were [[introduced in 1957|introduced in October 1957]],

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