1960~ | 12 N 52 1G3GT, 6AV6, 6BQ5, 6BY8, 6BZ6, 6CB6, 6DE4, 6DK6, 6DQ6, 6EA8, 6FD7, 6GK5, 6HG8, 6HJ8, 6JE8, 6CS6, 6SG7, 19BLP4 |
1957 | 22 BU 4001 6CB6, 6CB6, 6CB6, 12AZ7, 12BY7, 6BZ7, 6K6GT, 6T8, 6AU6, 6BE6, 6U8, 6BQ7, 6AX4GT, 1B3GT, 6BQ6GT, 12AU7, 6AL5, 12BH7, 12B4 |
1937 | 37-116 X 6K7G, 6L7G, 6N7G, 6A8G, 6K7G, 6H6G, 6K7G, 6J5G, 6K7G, 6J5G, 6J5G, 6F6G, 6B4G, 6B4G, 5U4G |