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Revision as of 19:46, 4 July 2020 by Rajesh (talk | contribs) (157- part# details.)
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The 7586 is a Nuvistor triode tube. It is used in the 1A1, 1A2, 1A5, 11B1, M, 321, 3A74, 6R1A, 3A1, 3A3, 3A8, 3S76, 4S1, 82, and 86.

The related 8393 (13-volt version of the 7586) is used in the 1A7 and 453.

Tek part number: 154-0306-00

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
1A2 ? 157-0080-00 All
10A2, 82 157-0103-00 All
2A61 157-0105-00 All

157-0105-00 has been replaced by 157-0121-00 Reference:

Tube aging procedure :Tube Aging

Selection/checking procedure :157- Checked and Tested Tubes: Specs and Procedure