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545: Difference between revisions
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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]], | ||