tubemonger

Responses from tubemonger

E188CC/7308/6922
With one exception of CV4109/E188CC flying alloy leads made by Mullard. These tubes are wire ended and do not have pins per se. 
E188CC/7308/6922
Siemans/RCA made in W. Germany had steel pons and so did Valvo.- Wrong. There are no Western European made E88CC or E188CC tubes with steel pins. If you have seen one, you are probably confusing it with some rebranded US or E. Euro (Tesla, Tungsra...