(!!!!) (Best Pair) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (80ma and 84ma) (1st version of ATS25)
(!!!!) (Recommended Single 1955) 12AX7 BRIMAR England like new gray ribbed plates "D" getter 1955 (1.1/0.9ma) (Gm=1700/1500)
(!!!!) (Recommended Single 1957) 12AX7 BRIMAR England NOS gray ribbed plates "O" getter 1957 (1.3/1.2ma) (Gm=1700/1900)
(!!!!) (Recommended Single 1959) 12AX7 BRIMAR BVA England like new gray ribbed plates large "O" getter 1959 (1.1/1.0ma) (Gm=1500/1600)
(!!!) (2nd Best Pair) 807=ATS25 GEC England ceramic base NOS 1940's (71.5ma and 73.8ma) 1-5% matched (recommended for Tron, VTL)
(!!!) (Best Single) 6V6G GEC UK branded Haltron NOS coated glass NOS 1940's (49ma)
(!!!) (Best Value Single 1958) 12AU7=ECC82 Brimar made for Arkay England ribbed plates 1958 (8.2/10.8ma)
(!!!) (Good Value Pair) 807=ATS25 GEC England ceramic base NOS 1940's (70.5ma and 71ma) 1-3% matched (recommended for Tron, VTL)
(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)
(!!!) (Recommended Quad) 8D8=EF86 Brimar UK quad mica NOS 1961 (2.8/3.0/3.0/3.0ma) 1-3% matched
(!!!) (SINGLE) 807=ATS25 GEC England ceramic base NOS 1940's dark gray plate (59ma)
(!!!) (SINGLE) 807=ATS25 GEC England ceramic base NOS 1940's dark gray plate (64.5ma)
(!!!) 12AX7 BRIMAR England BVA ribbed plates used/good 1960's (0.8/1.0ma and Gm=1400/1500)
(!!!) 12AX7 BRIMAR England BVA ribbed plates used/good 1960's (0.9/1.1ma and Gm=1350/1500)
(!!) (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)
(!!) (Single) 6060=12AT7 Brimar Thorn UK square black plates triple mica large "O" getter halo 1957 used/good (7.2/7.6ma) (Premium low noise 12AT7)
(!!) (Single) 6060=12AT7 Brimar Thorn UK square black plates triple mica large "O" getter halo 1960 NOS (6.4/8.4ma) (Premium low noise 12AT7)
(!!) (slightly microphonic) B309=12AT7 GEC UK black plates "D" getter NOS 1950's (9.6/10.8ma)
(!) 807 Mullard UK rebranded GE NOS 1967 (71ma)