Here is a short video under 2 minutes on 6L6 output valves and long plate versus short plate valves.
This video shows something surprising about different 6L6 valves.
A quick look a long plate and short plate ECC83 /12AX7 type valves is included too.
Click here to watch on Youtube
We started creating our Youtube channel only 2 weeks ago on 16th January 2016.
Here is a link to the channel
New Youtube Video on 6L6
