6RHH2

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The Raytheon 6RHH2 (also stylized as 6R-HH2) is a vintage, Japanese-designed medium-mu twin triode vacuum tube originally engineered for high-sensitivity, low-noise VHF television tuners. While primarily manufactured in Japan by electronics giants like Toshiba and Matsushita, American brands like Raytheon packaged, branded, and distributed these tubes in the United States during the mid-20th century - Tube Classification: Medium-Mu Twin Triode.Function: Originally designed as a cascade-connected RF amplifier.Pin Base: Noval 9-Pin (Small Button Base, E9-1).Heater Ratings: 6.3 Volts at 0.4 Amperes.Equivalents/Substitutes: Often cross-referenced or interchangeable with 6BC8 and 6BZ8 tubes. Show more