1962 | HQ 170 A One Seventy 6BZ6, 6BE6, 6C4, 6BE6, 6BA6, 6BE6, 6BA6, 6BA6, 6BV8, 12AU7, 6AL5, 12AU7, 6AV6, 6AQ5, 6BZ6, 0B2 |
1963 | HQ 180 6BA6, 6BA6, 6BA6, 6BA6, 6BE6, 6BE6, 6BE6, 6BE6, 6BZ6, 6BZ6, 6BV8, 6C4, 6AV6, 6AL5, 6AQ5, OA2 |
1939? | Super Pro SP200 6K7, 6K7, 6L7, 6J7, 6K7, 6SK7, 6SK7, 6H6, 6N7, 6SJ7, 6SK7, 6H6, 6C5, 6F6, 6F6, 6F6 |