Don't miss out on this incredible lot of vintage vacuum tubes, perfectly suited for enthusiasts and restorers alike! The largest tube box measures 6 1/4 x 2 x 2, housing a mixture of old tubes and some new old stock (NOS). Major brands included are RCA, General Electric, Sylvania, Raytheon, and Westinghouse, featuring numerous types that are essential for vintage audio gear. A partial list of visible tube numbers includes: 1G3GT/1B3GT, 1K3, 1X2A, 4CB6, 5AS4A, 5U4GB, 5Y3 GT, 6AB4, 6AG5, 6AH4GT, 6AH6, 6AK5, 6AL5, 6AQ5A, 6AU6, 6AX4 GT, 6AX5 GT, 6AY3, 6BG6G, 6BH6, 6BK7B, 6BN6, 6BZ6, 6BZ7, 6C4, 6CD6GA, 6CG7/6FQ7, 6CL6, 6DQ6B/6GW6, 6GH8A, 6H6GT, 6HS8, 6J6A, 6K6 GT, 6S4A, 6SN7GTB, 6U8A, 6W6 GT, 6X8, 7HB25, 10CW5/LL86, 12AX4 GTA, 12AX7, 12BY7, 12SN7 GT, 17DW6, 21HB5A, 25BQ6GTB. This large collection is ideal for resellers, technicians, and serious hobbyists looking for an instant inventory. Please note, all tubes are untested, so functionality is not guaranteed.