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6CL6 Tube

The 6CL6 is a miniature power pentode with a B9A (Noval) miniature 9-pin base.

It is used as the output tube of the vertical amplifier in the 515 , 531 , 533 , 535 and 3A74.

Tek part number: 154-0031-00, 154-0286-00

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
524 (V21,V22) 157-0006-00 All
524 (V12,V13) 157-0007-00 All
525 (V85,V86) 157-0006-00 1550-up

Some data on the aging procedure can be found on pages 12 and 13 of this document: Tube Aging. Some data on the selection/checking procedure can be found on pages 6, 7, and 21 of this document: 157- Checked and Tested Tubes: Specs and Procedure