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pentode 6F31 TESLA - (NOS)

6F31 TESLA is a high frequency pentode tube with indirectly heated oxide cathode, which was designed for usage in the receivers (RF/IF stage). It is direct replacement for the 6BA6, EF93 and russian 6K4P (6К4П) tubes. New old stock. Years of production: 1959-1962. Tested.

(we reserve the right to change the description and specifications without prior notice)