|
Tubes Asylum Questions about tubes and gear that glows. FAQ |
For Sale Ads |
Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.
Original Message
RE: Origin of the 6L6GC?
Posted by Tom Bavis on July 22, 2013 at 12:29:50:
"Tube Lore" lists the registration date for each number, but doesn't indicate what company registered it. 7027 came first (3-58), then 6L6GC (11-58), and 7581 was registered in 1959.