Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

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RE: It's not the tubes!

Posted by sony6060 on January 13, 2017 at 12:41:27:
Well with a change in high frequencies per original post order Sylvania 6SN7GTA, The 'GTA' guarantees 1950-1953 era tubes. These tubes are ultra clear sounding unlike a lot of other 6SN7s and has nice clean treble.