Mullard

ECC33rX1

Brand on TubeMullard


Etched code on TubefX1 B7K
Factory CodeB - Mullard, Blackburn
Year1957
Bottle HeightShort
Tip ShapeRound Tip
Glass ColorClear Glass
MicaDouble
Plate ColorMatte Gray
Pin ColorSilver Pins
BaseBrown

Round Tip

Mullard ECC33 rX1
Mullard ECC33 rX1
Mullard ECC33 rX1
Mullard ECC33 rX1
Mullard ECC33 rX1
Mullard ECC33 rX1
Mullard ECC33 rX1

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