Tube question


Has anyone have any experience with the new Elrog German 300b ...I've heard so many back an forth comments now just don know weather to buy four of these things or not .....have a push pull set of monos an want to upgrade thanks all !!
Convert?fit=crop&h=128&rotate=exif&w=128alberto11
There are some detailed comments by Charlesldad on another thread. Run a search. Bottom line, he thinks that they are terrific.