The 6N6p tube is a Russian dual triode tube. This tube is often seen as 6N6p, 6N6PI, 6N6pi, 6H6p, 6N6p-i, 6N6n-i ,or 6H6n-i. The Chinese name for the 6H6p tube is 6N6 tube. The 6N6p is a fantastic tube for preamps and driver stages, and is even used as output tubes in the Little Dot MkIII headphone amp. It has been used by the tube DIY underground for many years and is now becoming better known in the mainstream.