Date Code : f31 B1K4 ( 1961, Blackburn Factory ). Getter : Double O Getter. Double O Getter! Fisher/Mullard 5AR4/GZ34 Vacuum Tube. Up for sale is One Fisher/Mullard 5AR4/GZ34 Vacuum Tube. I tested tubes on my TV7B/U tube tester.
Mullard 5AR4 GZ34 Tube Double O f31 B8D Fat Base Tested TV-7/U NOS 1958
Mullard 5AR4 tube GZ34. Date code f31 B8D. Check pictures. Double O getter. (DS rectifier bin). Tube = 58/56.
5AR4 / GZ34 Mullard F31
Mullard 5AR4 GZ34 Tube Double O f31 B9C Fat Base Tested TV-7/U NOS 1959
Mullard 5AR4 tube GZ34. Date code f31 B9C. Check pictures. Double O getter. (DS rectifier bin). Tube = 49/50.
Phillips-Sittard U.K- GZ34 Tube -DD-Getter – f31 X8K -1958
I tried to capture a pic of the double DD getters and its hard to see as the flashing is full but they are there! This is being sold as is, as described and as pictured but no warranty is implied or given.
1959 MARCONIPHONE GZ34 / 5AR4 TUBE DOUBLE D D GETTER WORKS NOS NEW GREAT BRITIAN
THE VERY BEST WORKING USED TUBE MADE 1959 IN GREAT BRITIAH. PLATE 1 TESTED 105% PLATE 2 TESTED 105%. YOU GET THE TUBE YOU SEE FOR THE PRICE. THIS ONE WORKS ABSOLUTLEY PERFECT. MADE WITH LARGE DOUBLE D D GETTERS.
5AR4 GZ34 Amperex Philips Brussels
Rare 5AR4 GZ34 tube made by Philips in Brussels. Top “DD” getters Date code: f31 X8L TV7 A/U tester minimum value: 40/40 Tube tested: 57/56
Amperex/Scott 5AR4/GZ34 Vacuum Tube : DD-Getter, f31 X9B ( 1959 ) / Holland
Date Code : f31 X9B ( 1959, Holland ). Getter : Double D Getter. Double D Getter! Amperex/Scott 5AR4/GZ34 Vacuum Tube. Up for sale is an Amperex/Scott 5AR4/GZ34 Vacuum Tube. I tested tubes on my TV7B/U tube tester.
5AR4 GZ34 Amperex Philips Brussels
Top “DD” getters. Tube tested: 55/54.
5AR4 GZ34 Mullard Fat Base f31 B1E 4 Notch
5AR4 GZ34 tube made by Mullard . Top “OO” getters fat base 4 notch Date code: f31 B1E TV7 A/U tester minimum value: 40/40 Tube tested: 53/53