5687 Tung-Sol (Selected for Super-Line Use). The Original, Developed & Patented by Tung-Sol


  • One of the tubes that built America and won WW2
  • Most favored 5687 in history by both engineers and music lovers.
  • 1950’s Big D-Getters help make this tube a real winner.
  • Great for power supplies and all kinds of amplifiers.
  • Big clean and clear bold sound. Both sweet and detailed at the same time!
  • Color code (Red-Green = Super-Line Suitable for any High Gain Line Stage or Second Stage Phono Use)

If multiple tubes are ordered, micro matching is automatic.


80 in stock

SKU: Tung-Sol-5687-Super-Line-1 Categories: ,


  • These tubes are selected for very low microphonics. (Input circuits or two tube pre-amps.)
  • 1950’s Big D-Getters.
  • Big clean and clear bold sound. Sweet and creamy at the same time.