Valvo

Brand on Tube Valvo
Real Tube Manufacturer Mullard


Country Germany
Etched code on Tube Xf3 B3
Factory Code B - Mullard, Blackburn Berlin (Telefunken)
Bottle Height Tall Bottle
Tip Shape Round Tip
Bottle Shape Skinny Bottle
Glass Color Clear Glass
Mica Double
Plate Color Matte Gray
Pin Color Silver
Base Black
Valvo EL34 Xf3
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