az1 we54 we55 tube rectifier Telefunken Germany silver big mesh globe strong cup
1 tube az1 Telefunken made in Germany tested on tube tester Funke W19S =72mA& 74mA (reference good at 42mA on both systems )
big large mesh plates
cup getter
globe balloon old production shape DRP
big diamond logo Telefunken on top
black base with serial number 99
rare tube power rectifier full wave