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(!!!) (Best Pair #3) 6BL7GTA Sylvania black plates triple mica NOS 1960 era (32.8/34ma and 34.5/35.6ma) (close Gm matching)
(!!!) (Best Value Single) 12AX7=ECC83 SIEMENS HALSKE GERMANY used/good 1962 (0.9/1.0ma)
(!!!) (PAIR) 6AN8A RCA NOS 1972-1973 (14.4/12.4ma and 15.2/11.8ma)
(!!!) (BEST 6BM8 - best sound) ECL82=6BM8 Telefunken Germany <> bottom NOS branded Siemens 1969 (2.6/44ma)
(!!!) (BEST 6BM8 - best sound) ECL82=6BM8 Telefunken Germany <> bottom NOS branded Siemens 1969 (2.8/49.5ma)
(!!!!!) (Best Overall Pair) GL-6072 GE 5 star triple mica black plates "D" getter halo like new 1954-1955 (2.9/2.9ma and 2.9/3.1ma) (same Gm) (AKG, Tele 251, Peluso, Rode)
(!!!!!) (Bets Value Single) GL-6072 GE 5 star triple mica black plates "D" getter halo used/tests like new 1953-1954 faded printing (2.9/2.4ma) (V1 guitar amp, mics, Audio Note)
6A8 Philco metal can NOS 1940's (99/60)
(PAIR) JAN-5725W=6AS6 GE gray plate NOS 1986 (4.2ma and 4.1ma) (strong Gm)
6111 France NOS 1962 (7.4/9.8ma)
(!!) (Single) 6SN7GTA Philco Sylvania "chrome top" used/good 1954 (6.4/6.8ma)
(!!) 6SN7GTA Crosley Sylvania "chrome top" used/good 1954 (6.8ma/7.4ma)
(!!!!) (Best Value 1960) 12AX7 Philips Miniwatt Holland low hours/tests like new 1960 (Gm=1600/1600 and 1.0/1.3ma)
(!!) (Single) 12AX7 Sylvania used/good 1959 (1.6/1.5ma)
(!!!) (Best Single #3) 6SN7GTB Sylvania NOS 1960 era (8.6ma and 7.6ma)
(!!) (Best Single #2) 6SN7GTB Sylvania branded GM DELCO chrome top NOS 1957 (8.0ma/7.6ma) (High Gm)
(!!!!) (Single) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" used/70-75% (6/5ma)
(!!!) (Best Value Single #3) 6267=EF86 RFT East Germany branded Telefunken 1964 (2.3ma)
(!!) (Best Single) ECH81=6AJ8 Telefunken Germany <> bottom NOS 1960's faded printing (6.5ma and 13ma)
(!) 6BA6=EF93 Telefunken Germany <> bottom "D" getter NOS 1950's (10.6ma)
