File:SE 1600 amplifier ckt.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:43, 30 August 2013		400 × 400 (31 KB)	commons>J. Johnson	{{Information \|Description= Circuit diagram two-stage ("2 step") vacuum-tube amplifier used circa 1921 in conjunction with the Ambrose Channel pilot cable. \|Source= http://books.google.com/books?id=eugxAQAAMAAJ&pg=PA36 \|Date= February 1921 \|Author=...

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