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(!!!) (Best Single - Best Sound) U52=5U4G GEC branded Mullard BVA black plates - black base "cup" getter - getter flashing like new - used/good 1950-1955 (54/40 and 51/40) (GeluidsaFd - etched on base)
(!!) (slightly microphonic) B309=12AT7 GEC UK black plates "D" getter NOS 1950's (9.6/10.8ma)
(!) U19 GEC UK NOS 1960's (1 pair)
(Display Tube) KT66 GEC 1960's (WEAK TUBE: LOW Ma and LOW GM) - for display purposes only
(Display Tube) KT66 GEC 1971 purple gas - for display purposes only
DA41
KT8 GEC England NOS 1950's (65.2ma)
