An amazing resource to tube information, including articles about the 12AX7, 6L6, EL34, etc.
http://www.tiffe.de/roehren/VTV/
https://web.archive.org/web/20130805141 ... TV/vtv.htm
Vacuum Tube Valley
Moderator: jingle_jangle
Re: Vacuum Tube Valley
Discover Magazine May 1987 Virgin Commie article
http://antiquesci.50webs.com/VirginCommies.htm
http://antiquesci.50webs.com/VirginCommies.htm
Re: Vacuum Tube Valley
Part of Chapter 4 from this book can be downloaded from
https://od.lk/s/OV8xMjUyMDMzMjVf/EndgameTubes.PDF
A lot of companies outsourced to Japan.
The Endgame in the Electronic Receiving Tubes Industry
Chapter 4
Declining Demand, Divestiture, and Corporate Strategy
By Kathryn Rudie Harrigan
http://tinyurl.com/nyxemmt
https://od.lk/s/OV8xMjUyMDMzMjVf/EndgameTubes.PDF
A lot of companies outsourced to Japan.
The Endgame in the Electronic Receiving Tubes Industry
Chapter 4
Declining Demand, Divestiture, and Corporate Strategy
By Kathryn Rudie Harrigan
http://tinyurl.com/nyxemmt