(!!!!!) (Recommended Single) 12AU7 Mullard UK "long plates" and "O" getter 1958 (10.8ma and 11ma) (High mA and Gm)
(!!!!) (Best Bugle Boy Single 1959) 12AU7 Amperex Bugle Boy England (Mullard) long plates with "D" getter like new 1959 (12.4/9.8ma)
(!!!!) (Long Plate Single) 12AU7 Mullard Heath UK long plates "O" getter used/good 1959 (8.8/9.0ma)
(!!!) (Best Single) EL84 Brimar England NOS 1962 (58.2ma)
(!!!) (Best Value Single) EL84 Mullard England used/good 1963 (45.8ma)
(!!!) (Good Value) E81CC=12AT7 Haltron England NOS around 1960 (8.4/10.2ma)
(!!!) (Recommended Quad) 8D8=EF86 Brimar UK quad mica NOS 1961 (2.8/3.0/3.0/3.0ma) 1-3% matched
(!!!) (Single) 6J5G Sylvania engraved base black oval plate used/very good 1930's (8.0ma)
(!!!) (~ Best Value Single ~) EL84 Brimar England low hours/tests like new 1961 (50ma)
(!!) (1 Pair) CV4069=13D3 Brimar UK NOS 1969 era with flying leads (no pins) (matched on TV-7D/U)
(!!) (Recommended Single) EL84 Mullard UK branded RTC England NOS 1977 (40.4ma)
(!) 807 made in England rebranded SICTE South America NOS gray plate 1970's (66.5ma)
(!) 807 made in England rebranded SICTE South America NOS gray plate 1970's (75ma)
12E1 AEI by STC England black plate NOS (120ma)
12E1=CV345 STC England brown base/gray plate side getter NOS (140ma)
6AV6=EBC91 Ediswan Valve UK NOS 1960's (1.2ma)
6AV6=EBC91 Ediswan Valve UK NOS 1960's (2.5ma)