Tube Lab #91 - History of Loctals Pt.1
Channel: Tube Lab
Date: 2022-07-08

We take a first look at the early history of Loctals.
Link to my online store:  https://valvesnmore.com/
Link to  Mellow Tone Kits:  https://youtu.be/wpOWd8DqxZM

The EF50, The Tube That Helped To Win The War https://www.dos4ever.com/EF50/EF50.html
The Wireless Engineer, May 1939 https://www.dos4ever.com/EF50/wireless_engineer_1939.pdf

And a big thanks to Frank's Electronic Tube Pages for images of the difference bases found here: http://www.tubedata.org/bases.html

As well as being a vital source of tube datasheets.