2pc. G-807 / 807 Tube ~ 6BG6G / 6L6G Output Beam Tetrode ULYANOVSK Same Date NOS

Near equivalent: 6BG6G, 1625 and 5933 tubes. G-807 Output Beam Tetrode. Soviet tube G-807 output beam tetrode. The G-807 (807) tube output beam tetrode, designed to amplify and generate high-frequency oscillations.

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