Mullard

Brand on Tube Mullard


Etched code on Tube fX1 B7K
Factory Code B - Mullard, Blackburn
Year 1957
Bottle Height Short
Tip Shape Round Tip
Glass Color Clear Glass
Mica Double
Plate Color Matte Gray
Pin Color Silver Pins
Base Brown
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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