Tube Lab #12 How to Identify Tubes Made in North America
Channel: Tube Lab
Date: 2020-12-03

Tips on how to identify vacuum tubes made in the USA and Canada.
Link to Quality Vintage Tubes:  https://valvesnmore.com
A big thank you to Tube Maze for the EIA codes!
https://tubemaze.info/eia-codes-to-id-tubes/