A Survey of Four Sets of Power Tubes in Two Push-Pull Amps
Power (Tubes) To the People: A Survey of 4 Sets of Tubes in 2 Push-Pull Amps by Steve Graham [...]
thetubestore.com
6L6-type vacuum tube shootout
Review by Tim Smith Shortly after my EL34 tube review on Wall of Sound, Jon Esau of www.thetubestore.com [...]