Vacuum Tube Valley Magazine...great reading, free downloads - Talkin' Tubes - The Klipsch Audio Community
Want to buy: VTV Vacuum Tube Valley - Dual Triode Characterizer Wanted - Canuck Audio Mart
VACUUM TUBE VALLEY: 90's and 00's tube technology
WIRED: The revival of the American vacuum tube at Western Electric in Rossville, Georgia, USA | Audio Science Review (ASR) Forum
Sun Valley - 300B | Valve amplifier, Vacuum tube, Audio equipment
Audio Video Choices - All issues of Vacuum Tube Valley Magazine are available for free download: https://web.archive.org/web/20130604042043/http://www.jumpjet.info/Pioneering-Wireless/eMagazines/VTV/vtv.htm | Facebook
Vacuum Tube Valley, Issue 08 | HIFICollective
All 20 issues of VACUUM TUBE VALLEY magazine are available for free download
How do we test and evaluate our valves [tubes] ?? | ivanrichards
How do we test and evaluate our valves [tubes] ?? | ivanrichards
Vintage Audio. Vacuum Tube Valley VTV Issues 1-20 compl. HQ Scans in PDF on CD | eBay