![\"HITACHI](\"https:\/\/busther.com.co\/wp-content\/uploads\/2025\/07\/6F6GT-HITACHI-300x300.webp\")
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Introducing the robust and reliable HITACHI 6F6GT Audio Power Pentode Tube. A classic vacuum tube in the history of audio electronics, the 6F6GT is widely recognized as the predecessor to the legendary 6V6. It delivers a warm, harmonically rich tone with smooth, natural compression, making it highly sought after by vintage audio enthusiasts, collectors, and restoration professionals.<\/p>\n
This vacuum tube is the perfect choice for restoring the authentic performance and classic sound of equipment from the golden age of electronics.<\/span><\/p>\n Item Condition: NOS (New Old Stock), includes the original factory box.<\/p>\n Vintage Radio Restoration: Originally used as the audio output tube in countless tabletop radios and console receivers manufactured during the 1930s and 1940s.<\/p>\n<\/li>\n Vintage Hi-Fi Audio Amplifiers: Ideal for low-power audio amplifiers in both single-ended (SE) and push-pull (PP) configurations.<\/p>\n<\/li>\n Early Guitar Amplifiers: Renowned as the output power tube used in some of the earliest guitar amplifiers from manufacturers such as Gibson (e.g., EH-150), Valco, and others, helping define the classic tone of early blues and jazz.<\/p>\n<\/li>\n DIY Audio Projects: An excellent choice for builders seeking the authentic sound of a low-power pentode with a unique tonal character that differs from the 6V6.<\/p>\n<\/li>\n<\/ul>\n Tube Type: Audio Power Pentode.<\/p>\n<\/li>\n Brand \/ Origin: HITACHI (distributed under the Hitachi brand, likely manufactured in Japan).<\/p>\n<\/li>\n Mode:<\/span><\/strong> 6F6GT<\/span><\/p>\n<\/li>\n Base: Octal (8-Pin).<\/p>\n<\/li>\n Heater (Filament): 6.3 V @ 0.7 A.<\/p>\n<\/li>\n Maximum Plate Voltage: 300 V.<\/p>\n<\/li>\n Maximum Plate Dissipation: 11 W.<\/p>\n<\/li>\n Typical Output Power (Class A, Single-Ended): 3.5 W.<\/p>\n<\/li>\n Typical Output Power (Class AB1, Push-Pull): 11 W.<\/p>\n<\/li>\n Compatibility: Direct replacement for 6F6, 6F6G, and 6F6GT tubes.<\/p>\n<\/li>\n<\/ul>\n Founded in 1910, Hitachi, Ltd. is a renowned Japanese multinational conglomerate with a long history of innovation spanning power generation, industrial systems, and consumer electronics. During the vacuum tube era, Hitachi applied its renowned quality control standards and meticulous engineering to produce world-class electronic tubes. Hitachi tubes are recognized for their long service life, tightly controlled specifications, and exceptional build quality, earning a reputation alongside the finest American and European manufacturers. The iconic Hitachi logo printed on the tube is a hallmark of this legacy of engineering excellence.<\/p>\nPrimary Applications of the HITACHI 6F6GT Audio Power Pentode Tube<\/span><\/strong><\/h4>\n
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Detailed Technical Specifications of the HITACHI 6F6GT Audio Power Pentode Tube for Radios<\/span><\/strong><\/h4>\n
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![\"oc66_g_1~~9.gif\"](\"https:\/\/www.radiomuseum.org\/images\/tubesockel_klein\/oc66_g_1~~9.gif\")
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