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(!!) (1 Pair) CV4069=13D3 Brimar UK NOS 1969 era with flying leads (no pins) (matched on TV-7D/U)
(!!) (slightly microphonic) B309=12AT7 GEC UK black plates "D" getter NOS 1950's (9.6/10.8ma)
(!!!) (Best Value Single 1958) 12AU7=ECC82 Brimar made for Arkay England ribbed plates 1958 (8.2/10.8ma)
6A8G Tungsol NOS 1950 era (3 in stock)
(!!!!!) (BEST PAIR 1961) 12AU7=ECC82 Mullard UK ribbed plates NOS 1961 same date codes (9.0/8.8ma and 9.3/9.2ma) (same Gm) 1-3% matched
(!!!!) (Single 1955) 12AX7 BRIMAR England shiney black ribbed plates "D" getter 1955 (1.3/1.0ma) (Gm=1800/1700) (rare)
(!!!!) (Single 1955 era) CV492=12AX7 BRIMAR England NOS black ribbed plates "D" getter 1955 era (1.1/1.0ma) (Gm=1800/1700) (rare)
(!!!!) (Best Single 1958) CV455=ECC81=12AT7 Mullard UK "D" getter NOS 1958 (8.7/8.8ma) 1-2% section balance (Same Gm)(reverb, phase inverter)
(!!!) (Recommended Single 1961) 12AX7 BRIMAR England BVA ribbed plates used/very good 1961 (1.4/1.7mA and Gm=1400/1600)
(!!) (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)
(!!!!) (Single) EF86 Philips Miniwatt Holland NOS 1963 (2.9ma)
(!!) (Single) 12AT7 Brimar Zaerix square black plates triple mica large "O" getter halo like new 1957 (9.2/7.0ma)
(!!!!!) (BEST PAIR 1963) 12AU7=ECC82 Mullard UK ribbed plates NOS 1963 same date codes (9.5/8.6ma and 9.0/8.6ma) (close Gm) 1-3% matched
(!!!!) (Best Single) EF86 Philips Holland NOS 1970 (4.0ma) (Highest mA and Gm)
