Amperex USN 6922 D-Getter Pinched Waist

Soundlumia's Opinion Built and tested according to military specs of the US Navy, Amperex USN-CEP is the most reliable 6922/E88CC tube known to the world: its quality is more than premium, although it doesn't carry the aweing PQ label like its more expensive siblings do; its performance is superb and in fact very few tubes in this price range can claim to be stronger; its low noise should only by judged by the most experienced sound experts because we are talking about the very tube built for and certified by US Navy for mission-critical communication devices; its sound signature is phenomenal (we don't use this word very often to describe tube sound) and many audiophiles consider the "Holy Grail" (1975's Reflektor 6N23P) its only possible upgrade path.  The clarity and sound detail on USN 6922's are second to none. They deliver the same resolution and grip you get from the best German E88CC's but feel less "clinical", for the lack of a better word to describe what Telefunken E88CC