Marconi

Brand on Tube Marconi
Real Tube Manufacturer Mullard


Country Great Britain
Etched code on Tube I61 B9D
Factory Code B - Mullard, Blackburn
Year 1959
Tip Shape Pinched Tip
Glass Color Clear Glass
Mica Double
Getter O-Getter Halo
Getter Support One
Plate Look Ribbed / Scale
Plate Size 17mm
Plate Color Matte Gray
Pin Color Silver Pins
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61
Marconi by Mullard ECC83 B339 I61

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