check out the inside of a tube piece by piece as a 6L6GC is deconstructed. Fascinating!
http://tubedepot.com/jttcoat.html?utm_source=newsletter3&utm_medium=email&utm_campaign=Spring_2009
http://tubedepot.com/jttcoat.html?utm_source=newsletter3&utm_medium=email&utm_campaign=Spring_2009