Pair of 1963/1965 Foton Military 6N8S/6SN7GT Tubes in box. NOS, Tested. Most with a datasheet These vintage tubes are perfect for collectors or those looking to restore vintage audio equipment. Made in the Russian Federation, these tubes are a rare find and come in their original box. The Foton brand is known for its high-quality products, and these tubes are no exception. They are designed for use in military equipment and are sure to be durable and reliable. Don't miss your chance to own a piece of vintage electronics history with this pair of Foton Military tubes.