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(!!!!) (BEST VALUE SINGLE) 5U4G TUNGSOL NOS 1952 slightly tilted glass (52/40 and 52/40)
(!!!!) (Best Value Single) 6106 Bendix rebranded 5Y3WGTA Heintz & Kaufman NOS glass slightly tilted (63/40 and 66/40)
(!!!!) (Best Value Single) 6550C Winged C by Svetlana Russian like new 2011 tilted glass (154ma)
(!!!!) (Best Value Single) 6922=E88CC Penta Labs Hungary used/like new 1980 era (13.8/15.8ma)
(!!!!) (Best Value Single) 6SN7GTB RCA NOS 1964 (8.4/7.2ma)
(!!!!) (Best Value Single) 6X5GT Philips Miniwatt Australia NOS 1940's (48/40 and 50/40)
(!!!!) (Best Value Single) 6X5GT Philips Miniwatt Australia NOS 1940's (49/40 and 49/40)
(!!!!) (Best Value Single) 6X5GT Philips Miniwatt Australia NOS 1940's (50/40 and 50/40)
(!!!!) (Best Value Single) ECC82=12AU7 Telefunken Germany <> Bottom ribbed plates NOS 1969 faded printing (10.8/10.0ma) (Highest Gm)
(!!!!) (Best Value Single) ECC83=12AX7 Telefunken Germany <> bottom ribbed plates branded GAP/R Computor tube used/good 1956 (Gm=1400/1500 and 0.8/0.9ma) 1-5% section balance
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Philips Miniwatt Holland "D" getter used/strong 1958 (55/40 and 56/40)
(!!!!) (Best Value Single) JAN-6922 Amperex USA like new 1971 (13.4/12.6ma)
(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)
(!!!!) (Best Value Single) JAN-CEA-5852=6X5GT Bendix NOS 1953 (63/40 and 66/40) (Best Audio Grade 6X5GT)
(!!!!) (Best Value Single) JAN-CHY-5U4G CBS used/very good "D" getter 1946 (53/40 and 53/40) 1% section balance
(!!!!) (Best Value Used Pair) 6550C Winged C and Svetlana Russian used/good 2000-2001 faded top getters (126ma and 125ma) (Close Gm) **
(!!!!) (Best Value) 7308 Sylvania branded RCA NOS 1973 (13.2/17.2ma)
(!!!!) (BEST XF4 Pair) EL34 Philips Mullard NOS XF4 1976 (106ma and 107ma)
(!!!!) (BEST XF4 Pair) EL34 Philips Mullard NOS XF4 1976-1979 (90ma and 91.5ma) (same Gm)
