Mullard Blackburn, Made in Great Britain

Old Logo CV4024 ECC81 12AT7 Valve Tube

Grey Plates, Halo Getter

Fully Tested on AVO VCM 163

100% Book Spec = Ia 10 - Gm 5.5

Ia 10.3/9.3 - Gm 5.6/5.2

New Old Stock, Supplied in Original Box