Marconi

Brand on Tube Marconi


Country Great Britain
Etched code on Tube I61 B1A
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 I61
Marconi ECC83 B339 I61
Marconi ECC83 B339 I61
Marconi ECC83 B339 I61
Marconi ECC83 B339 I61

Lets discuss this tube