ECC33 RX1
Branded Mullard

Round Tip

Base: Brown

Bottle Height: Short

Code On Tube: fX1 B7K

Factory Code: B - Mullard, Blackburn, B - Mullard, Blackburn

Glass Color: Clear Glass

Mica: Double

Permanentid: 11lvvgwny3

Pin Color: Silver Pins

Plate Color: Matte Gray

Tip Shape: Round Tip

Year: 1957

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