(!!!!!) (BEST PAIR) 12AU7=ECC82 Telefunken Germany smooth plates NOS 1961-1965 1-5% matched (10.5/12.0ma and 12.2/10.2ma)
(!!!!!) (Best Single) EF806S=EF86 Telefunken Germany <> bottom like new 1961 (3.4mA and Gm=2200) (Neumann U67) (Highest mA and Gm)
(!!!!) (Best Pair #2 - best value) 12AX7 Telefunken Germany <> bottom ribbed plates used/very good 1960 era (0.9/1.0ma and 1.0/1.1ma) 1-5% matched (close Gm)
(!!!!) (Best Siemens Single) CV492=ECC83=12AX7 Siemens Halske NOS 1968 (1.2/1.5ma) (Gm=1800/1900) (phono, mic, preamp)
(!!!!) (Best Single #3) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1964 copper grid posts (10.6ma/10.2ma) 1-3% section balance
(!!!!) (Best Single) ECC83=12AX7 Telefunken Germany <> bottom smooth plates 1964 (1.3/1.5ma and Gm=1700/1800)
(!!!!) (Recommended Pair) ECC82=12AU7 Telefunken Diamond Bottom ribbed plates used/tests like new 1960's (9.2ma/8.4ma and 9.3/9.4ma)
(!!!!) (Recommended Single) E188CC=7308 Telefunken <> bottom gold pins low hours/tests like new (16.0ma/16.2ma) (rare)
(!!!!) (Recommended Single) E188CC=7308 Telefunken <> bottom gold pins NOS 1960's (12.6ma/19ma) (rare)
(!!!!) (Single) E83CC=12AX7 Siemens Halske Germany NOS 1976 (0.7/0.9ma and Gm=1400/1600)
(!!!!) (SINGLE) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (9.8ma/13.4ma)
(!!!) (Best Single) EF86 Valvo Germany branded Philips NOS 1970 (4.4ma) (highest Ma and Gm)
(!!!) (SINGLE) EF806S Telefunken Germany <> bottom used/good 1963 (2.3ma Gm=1900)
(!!) EL34 Telefunken Germany used/good/75% 1967-1971 in white box (62ma)
(PAIR) Canton Ergo 21 DC speakers made in Germany good condition (PAIR)
6KH8=ECLL800 NOS (0 in stock)
EF11 RSD Germany NOS 1950's (6.1ma) (tested on Amplitrex)
EF11 Telefunken Germany used/very good 1949 (5.6ma) (tested on Amplitrex)
EM34=CV394 Mullard Germany NOS early 1950's (1 in stock)
RV12P4000 Valvo Germany used/like new WWII era 1945 (1 in stock)
