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Reviews (1)

Jun 10, 2020
Very closely matched in circuit, great sound rivaling old blackplates.
These replaced rca blackplates circa 1960 which were still good. I've only used 2 of these so far, but in circuit I was able to bias them within 0.5ma, which is really closely matched. Immediately it sounded great, but then I cranked up the bias current to a hotter 50ma (up from 35) which this tube is designed to support, and wow! I think I've found my new 6l6 tube type!