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500-series plug-ins (Letter-series and 1-series): Difference between revisions
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500-series plug-ins (Letter-series and 1-series) (view source)
Revision as of 08:10, 26 July 2014
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File:53A 1.JPG | '''[[A]]''' - 20 MHz, single channel, 1954 | File:53A 1.JPG | '''[[A]]''' - 20 MHz, single channel, 1954 | ||
File:B 2.JPG | '''[[B]]''' - Same as A, with an extra 10X of gain, 1954 | File:B 2.JPG | '''[[B]]''' - Same as A, with an extra 10X of gain, 1954 | ||
File:C early 1.JPG | '''[[C]]''' - 8.5 MHz, dual channel | |||
File:Type ca front.JPG | '''[[CA]]''' - 24 MHz, dual channel | File:Type ca front.JPG | '''[[CA]]''' - 24 MHz, dual channel | ||
File:D.jpeg | '''[[D]]''' - 2 MHz, differential, 1954 | File:D.jpeg | '''[[D]]''' - 2 MHz, differential, 1954 | ||