Siemens

Brand on Tube Siemens


Etched code on Tube Xf3 B4B2
Factory Code B - Mullard, Blackburn
Bottle Height Tall Bottle
Tip Shape Round Tip
Bottle Shape Skinny Bottle
Glass Color Clear Glass
Getter O-Getter Disk
Plate Look Stapled
Plate Color Matte Gray
Pin Color Silver
Base Black
Siemens EL34 Xf3
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