Three (3) Vintage Mullard Daystrom ECC81 12AT7 Tubes NOS Germany Great Britain
Tubes date codes: R0K2 (2nd week Nov 1960), B3A3 (3rd week Jan 1963). No date code present for the Germany made tube. 3 - 3000+/3000 & 3000+/3000 (Angled Halo Getter - Germany). Minimum good is 1920.