Ray Tube vs RCA 12AU7 - separated by 80 years!
How often do you get the chance to compare tubes manufactured 80 years apart? Not often, at least not for me. Today I talk about my RCA 12au7 black plates from 1953 and how they compare against the much newer Ray Tube Select. Find the Ray Tube Select 12AU7 here: https://raytubes.com/products/12au7-s... ================ Chapters ================ 00:00 - Intro (and Beer) 00:30 - Old v New 03:13 - RCA Black Plate 07:09 - Ray Tube Select 11:53 - Conclusions and Outro

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