D: Difference between revisions

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25 bytes added ,  24 September 2010
m
last year
m (add 5814 warning)
m (last year)
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of the [[541]] and [[545], then quickly renamed Type 53/54D,
of the [[541]] and [[545], then quickly renamed Type 53/54D,
then shortened to Type D in 1959 with the introduction of
then shortened to Type D in 1959 with the introduction of
the 5xxA scopes.
the 5xxA scopes.  Its last year was 1968.


Some production used a pair of 5814 tubes at the input while others used 12AU7's.
Some production used a pair of 5814 tubes at the input while others used 12AU7's.
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