Raytheon

Brand on Tube Raytheon
Real Tube Manufacturer Mullard


Country Great Britain
Etched code on Tube f32 B4K1
Factory Code B - Mullard, Blackburn
Bottle Height Half
Glass Color Clear Glass
Mica Double
Getter O-Getter Disk
Plate Color Matte Gray
Pin Color Silver Pins
Base Black
Raytheon GZ34 5AR4
Raytheon GZ34 5AR4
Raytheon GZ34 5AR4

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