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The 7308  (European: E188CC) (P/N 154-0371-00) is a dual triode tube with a B9A (Noval) miniature 9-pin base, a premium drop-in replacement for the 6DJ8 (ECC88).

It is used in the front-end of the 3S76, 3S3 and 4S3. It is also used in 4S1, but in the memory.

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
3S76, 4S1, 4S2, 4S3 157-00102-00 All


Tube aging procedure / Selection and checking procedure