06-13-2023, 11:56 AM
Yes Arran. The socket area of German radio tubes is still larger than that of octal radio tubes. Here is a photo for comparison.
And regarding the reliability of German radio lamps of the "helmet" type, I can say that these are extremely reliable radio lamps, the most reliable of all European ones. Here are some more photos with a diagram of their internal structure.
And regarding the reliability of German radio lamps of the "helmet" type, I can say that these are extremely reliable radio lamps, the most reliable of all European ones. Here are some more photos with a diagram of their internal structure.
Old Tube Radio Online Museum / Музей ретро радіо
https://www.youtube.com/user/RadioSvit?d...lymer=true
Sincerely Peter
З повагою Петро