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(!!!!!) (Best Overall Single #2) JG-6072 GE double mica black plates "O" getter NOS 1963 (3.3/3.1ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (Best Overall Single) JG-6072 GE triple mica black plates "O" getter NOS 1961 (3.1/3.6ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (Best Pair #3) EF86 Valvo Germany branded PHILIPS and POPE NOS 1970 (3.6ma/4.0ma)
(!!!!!) (Best Pair) EF86 Siemens Germany made by Valvo (Hamburg) NOS 1965 (3.4ma/3.4ma) 1-2% matched
(!!!!!) (Best Single 1971) GZ34 Philips by Mullard Blackburn UK NOS 1971 (58/40 and 58/40)
(!!!!!) (Best Single) E81CC=6201=12AT7 Philips Mullard UK SQ NOS gold pins 1974 (11.5/10.8ma) 1-5% section balance
(!!!!!) (Best Single) E81CC=6201=12AT7 Philips Mullard UK SQ NOS gold pins 1974 (9.6/10ma) 1-3% section balance
(!!!!!) (Recommended Single) JG-6072 GE triple mica black plates "O" getter NOS 1962 (2.9/2.3ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (SINGLE) JAN-CHS-6080WB Sylvania NOS 1966-1967 (108/85ma)
(!!!!) (Best 6X5GT Single) JAN-CEA-5852=6X5GT Bendix NOS 1953 (65/40 and 68/40) (Best Audio Grade 6X5GT)
(!!!!) (Best Overall Single) JAN-CEA-5852=6X5GT Bendix NOS 1953 (65/40 and 66/40) (Best Audio Grade 6X5GT)
(!!!!) (Best Pair #1) 6X5GT=VT-126B RCA black plates NOS 1943 (56-59/40 and 54-57/40) (Best Sound) (Audio Note, Mapletree)
(!!!!) (Best Pair for the money) 12AX7=ECC83 Telefunken Germany <> bottom ribbed plates used/good 1959 (0.9/1.2ma and 1.0/1.1ma) 1-3% matched
(!!!!) (Best Pair) 5R4GB GE black base NOS 1981 (51-54/40 and 52-55/40 x 2 tubes)
(!!!!) (Best Single) 5852=6X5GT Bendix NOS 1953 (64/40 and 65/40) (Best Audio Grade 6X5GT) (Audio Note)
(!!!!) (BEST SINGLE) 6BL7GTA GE "D" getter NOS 1958 (38.0/37.6ma) 1-2% section balance
(!!!!) (Best Single) USN-CHS-6922 Sylvania gold pins NOS 1965 (12/16.6ma)
(!!!!) (Best Telefunken Single 1966) ECC82=12AU7 Telefunken Germany <> bottom smooth plates NOS 1966 (9.3/10ma) (High Gm)
(!!!!) (Best Value Pair #1) 12AX7=ECC83 Telefunken Germany <> bottom branded GAP/R Computor tube <> bottom smooth plates used/good 1964 era (0.9/0.8ma and 1.0/0.8ma)
(!!!!) (Best Value Single) 12AX7 Telefunken Germany <> bottom smooth plates branded GAP/R Computor tube like new 1964 (Gm=1700/2000 and 1.1/1.5ma)
