Mullard Blackburn
Modern Logo Print ECC82 12AU7 Valve Tube
Short Grey Plates, Halo Getter
Gf2 B0F1 Code in the Glass
Fully Tested on AVO VCM 163
Book Spec = Ia 10.5 - Gm 2.2
Ia 12.4/12.6 - Gm 2.2/2.2
Unused, New Old Stock, Supplied in Original Box