Marconi

12AX7ECC83B339I63

Brand on TubeMarconi
Extended Brand NameThe Marconi Co. Ltd.


CountryGreat Britain
Etched code on TubeI63 B
Factory CodeB - Mullard, Blackburn
Tip ShapePinched Tip
Glass ColorClear Glass
MicaDouble
GetterO-Getter Halo
Getter SupportOne
Plate LookRibbed / Scale
Plate Size14mm
Plate ColorMatte Gray
Pin ColorSilver Pins

Pinched Tip

Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63
Marconi ECC83 B339 I63

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