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Practical guides and useful information about vacuum tubes, nixie tubes, vintage audio, retro electronics, and related topics.
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Soviet Vacuum Tube Factories and Logos
All you need to know about the makers of some of the most popular tubes today.
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What Is the Maximum Plate Voltage for 6P3S and 6P3S-E Tubes?
Standard 6P3S and 6P3S-E should not automatically be treated like modern 6L6GC tubes in 445-450V builds.
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