I put this tube in my Dennis Had Inspire KT-88 SET amp. The top end is fantastic , maybe a tad bright for my Zu Omen speakers. But overall I found it to be incredibly detailed with an outstanding sound stage. The treble was a little bit in front of the midrange , but with the tube breaking in that's beginning to change. Also the bass is really fast and clean. Considering price versus sound, I think this tube offers a good value. After I put some time on it , I went back and tried a nos Mullard, a JAN Sylvania and a Russian Rocket. This tube smokes them all. The rest of my system consists of a Rogue RP-1, Schiit DAC, Silnote power cords. Anti-Cables level 3 speaker cables , and level 4.2 interconnects. Power filter and subs. I hope this benifits interested parties and HAPPY LISTENING .
Verified purchase: Yes
Siemens E88CC/6922 series tube has most silent, neutral and dynamic sound then other brands.. Highly recommended!!
Verified purchase: Yes
This are excellent audio tubes with an expansive soundstage great extension upper and lower frequencies and well define midrange.Most important this Siemens give body to instruments and superb definition of the human voice , male and female.It's a whole new level of sound and richness that I am really enjoying.Highly recommended.-
Verified purchase: Yes
Product is very good and the service was great
Verified purchase: Yes
As will all NOS tubes the sound changes after its burned in a bit. At the moment the bass seems to have shrunk, but still pretty clean & extended sound.
Verified purchase: Yes
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