Marconi

Brand on Tube Marconi
Extended Brand Name The Marconi Co. Ltd.


Country Great Britain
Etched code on Tube I63 B
Factory Code B - Mullard, Blackburn
Tip Shape Pinched Tip
Glass Color Clear Glass
Mica Double
Getter O-Getter Halo
Getter Support One
Plate Look Ribbed / Scale
Plate Size 14mm
Plate Color Matte Gray
Pin Color Silver Pins
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63

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