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These are NOS transmitting power pentodes designed for use as oscillators and power amplifiers on HF. Good for audio amplification, too. I managed to get these tubes from the Russian Military. Type of cathode: tungsten thoriated carbonized directly heated. (please look at our rules and privacy policy) |
marie-sims@machine--tools.com (Marie Sims) for additional information. This email is used for forwarding to newsgroup user.
