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(!!!!) (Best Single #3) EF804S Telefunken Germany <> bottom NOS 1965 (2.9ma) (V72 / V76 preamp)
(!!!!) (Best Single #3) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.8ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (8.6/11.8ma)
(!!!!) (BEST SINGLE #4) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (8.6/6.2ma)
(!!!!) (Best Single #4) 6SN7GTB RCA NOS 1964 (9.2/8.0ma)
(!!!!) (Best Single #4) EC92=6AB4 Telefunken Germany <> bottom NOS 1969 (8ma) (mic)
(!!!!) (BEST SINGLE #5) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (6.8/10.6ma)
(!!!!) (Best Single 1956) 12AX7 GE Motorola tall gray ribbed plates "U" getter 1956 like new (Gm=1700/2000 and 1.6/2.1ma)
(!!!!) (Best Single 1956) ECC82=12AU7 Siemens Halske "Long Ribbed Plates" and large/wide "U" getter branded Haltron 1956 (10/9.2ma) (k62 series) (High Gm) (rare)
(!!!!) (Best Single 1958) 6922 Amperex Holland curved "D" getter 1958 NOS (16.2/17.8ma) (same sonics as pinched waist version)
(!!!!) (Best Single 1960) 12AX7 GE tall gray ribbed plates "U" getter NOS 1960 (Gm=1700/1600 and 1.5/1.1ma)
(!!!!) (Best Single 1960) 12AX7 Westinghouse NOS gray pinched plates "D" getter 1960 era (Gm=1600/1800 and 1.2/1.5ma)
(!!!!) (Best Single 1960) 12AX7 Westinghouse NOS gray pinched plates "D" getter 1960 era (Gm=1700/1800 and 1.3/1.4ma)
(!!!!) (Best Single 1961) 12AX7=ECC83 Philips Miniwatt Holland 1961 large "O" getter halo NOS (1.8/1.3ma and Gm=2100/1700)
(!!!!) (Best Single 1963) PCC88=7DJ8 Philips Miniwatt Holland "O" getter NOS 1963 (14.2/12.0ma)
(!!!!) (Best Single 1966) 12AX7 Philips Holland NOS 1966 (Gm=1700/2100 and 1.2/1.7ma)
(!!!!) (Best Single 1969) 6DJ8 IEC Mullard used/tests like new 1969 (18.2/18.0ma) 1-2% section balance (sweet midrange)
(!!!!) (Best Single 1970's) 6SN7GTB Sylvania branded GE coin-base NOS 1970's (9.2/9.2ma) 1-2% section balance
(!!!!) (BEST SINGLE 1985) 12AU7A GE NOS 1985 copper grid posts (9.2/9.4ma) 1-2% section balance
(!!!!) (Best Single) 12AT7 RCA black plates "D" getter NOS 1959 (9.2/9.0ma)
