Mullard EL34 6CA7 Fat Base Valve Xf1 Code Double Halo Getters NOS Boxed (V25)

Mullard, Made in Great Britain. Rare Fat Base EL34 6CA7 Valve Tube. Xf1 B1E2 Blackburn Code in the Glass.

Fully Tested on AVO VCM 163. 100% Book Spec = Ia 91 - Gm 11. This Valve = Ia 91 - Gm 10.7. New Old Stock, Supplied in Original Box.