{"id":15124,"date":"2025-05-02T17:12:58","date_gmt":"2025-05-02T22:12:58","guid":{"rendered":"https:\/\/busther.com.co\/tienda\/uncategorized\/pair-of-vintage-sylvania-6sn7wgta-vacuum-tubes\/"},"modified":"2026-07-20T17:07:27","modified_gmt":"2026-07-20T22:07:27","slug":"pair-of-vintage-sylvania-6sn7wgta-vacuum-tubes","status":"publish","type":"product","link":"https:\/\/busther.com.co\/en\/shop\/electronic-components\/active-components\/vacuum-tubes\/american-series-vacuum-tubes\/6\/6s\/6sn7\/pair-of-vintage-sylvania-6sn7wgta-vacuum-tubes\/","title":{"rendered":"Pair of Vintage Sylvania 6SN7WGTA Vacuum Tubes"},"content":{"rendered":"

Pair of Vintage Sylvania 6SN7WGTA Vacuum Tubes \u2013 Different Factory Codes 6807 & 908BPL<\/strong><\/h1>\n

The 6SN7WGTA is a vacuum tube (thermionic valve) highly regarded in the world of vintage audio and high-fidelity (Hi-Fi) equipment.<\/p>\n

Key Specifications<\/strong><\/h3>\n
    \n
  • \n

    Type: Glass Twin Triode (Audio\/Amplification)<\/p>\n<\/li>\n

  • \n

    Heater Voltage (Vf): 6.3V<\/p>\n<\/li>\n

  • \n

    Heater Current (If): 0.6A<\/p>\n<\/li>\n

  • \n

    Pin Configuration: Octal (8-pin base)<\/p>\n<\/li>\n

  • \n

    Applications: Audio amplifiers, military equipment, and electronic instrumentation<\/p>\n<\/li>\n<\/ul>\n

    \"{%ALT_TEXT%}\"
    {%CAPTION%}<\/figcaption><\/figure>\n
      \n
    • \n

      Key Features
      <\/strong><\/p>\n

        \n
      • \n

        Low Noise and High Linearity<\/p>\n<\/li>\n

      • \n

        Rugged Construction (the WGTA version features enhanced durability, reliability, and overall build quality compared to earlier variants).<\/p>\n<\/li>\n

      • \n

        Used in Preamplifier and Driver Stages<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        History and Origins of the 6SN7WGTA<\/strong><\/h3>\n
          \n
        • \n

          Manufacturer: Sylvania Electric Products (USA), one of the most respected names in the vacuum tube industry.<\/p>\n<\/li>\n

        • \n

          Production Era: 1940s\u20131960s (the golden age of vacuum tube manufacturing)<\/p>\n<\/li>\n

        • \n

          WGTA Variant:<\/strong><\/p>\n

            \n
          • \n

            “W” indicates a ruggedized construction designed for greater durability and reliability, originally intended for demanding military and industrial applications.<\/p>\n<\/li>\n

          • \n

            “GT” stands for “Glass Tubular,” indicating the standard glass-envelope tube construction.<\/p>\n<\/li>\n

          • \n

            “A” denotes an improved design revision, offering enhanced performance, reliability, and operating characteristics over the original version.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            \"{%ALT_TEXT%}\"
            {%CAPTION%}<\/figcaption><\/figure>\n

            Equipment That Used the 6SN7WGTA<\/strong><\/h3>\n
              \n
            • \n

              Audio Amplifiers:<\/strong><\/p>\n

                \n
              • \n

                Hi-Fi Preamplifiers and Power Amplifiers (e.g., McIntosh, Dynaco, Marantz)<\/p>\n<\/li>\n

              • \n

                Guitar Amplifiers (used in selected vintage amplifier designs).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

              • \n

                Military and Communications Equipment:<\/strong><\/p>\n

                  \n
                • \n

                  Military radios and communications systems from the World War II and post-war eras.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                • \n

                  Electronic Test and Measurement Equipment:<\/strong><\/p>\n

                    \n
                  • \n

                    Vintage oscilloscopes, signal generators, and electronic test equipment.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                    \"{%ALT_TEXT%}\"
                    {%CAPTION%}<\/figcaption><\/figure>\n

                    Why Is It Still Highly Valued Today?<\/strong><\/h3>\n
                      \n
                    • \n

                      Warm, Analog Sound: Highly sought after by audiophiles and vintage equipment restorers for its smooth, musical, and natural sound signature.<\/p>\n<\/li>\n

                    • \n

                      Long Service Life: Sylvania 6SN7WGTA tubes are renowned for their exceptional durability, reliability, and extended operating life.<\/p>\n<\/li>\n<\/ul>\n

                      Item Condition: Tested, without original boxes (see photos of the test results).<\/p>\n","protected":false},"excerpt":{"rendered":"

                      \"6sn7wgta_so.png\"<\/p>\n

                      Enhance the warmth and fidelity of your audio system with this Pair of Vintage Sylvania 6SN7WGTA Vacuum Tubes. These classic twin triode tubes are ideal for Hi-Fi preamplifiers, phase inverter stages, and vintage audio restorations.
                      Although they are not a matched pair (electronically matched), both tubes have been tested on a Kyoritsu vacuum tube tester, confirming strong, healthy emission and reliable operation.
                      They retain their classic vintage appearance and include Sylvania-branded boxes. An authentic and fully functional choice for audiophiles, collectors, and restoration technicians seeking genuine American vacuum tubes.<\/p>\n

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