02-11-2013, 07:13 PM
The "E" stands for European. The characteristics are slightly different than American tubes without the "E" suffix. As an example, the 35A5E will have its suppressor grid tied to the control grid instead of to the cathode.
An American 35A5 should work well in place of a 35A5E.
An American 35A5 should work well in place of a 35A5E.
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Ron Ramirez
Ferdinand IN