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(!!!!!) (BEST PAIR #1) 417A Western Electric NOS 1980 (42.5ma and 43ma)
(!!!!!) (Best Value Pair) GZ34=5AR4 Mullard UK branded RCA NOS 1970 (f32 series) (56-57/40 and 56-58/40)
(!!!!!) (Recommended Single) 5AR4/GZ34 Mullard fat base tests like new 1961 no printing (57/40 and 57/40)
(!!!!) (Best Pair #1) 12BH7A RCA gray plates NOS 1969 (10.2/10.4ma and 11/12ma)
(!!!!) (BEST PAIR) 417A Western Electric NOS 1980 (42.5ma and 44ma)
(!!!!) (BEST PAIR) 5842=417A Western Electric NOS 1980 (39ma and 40ma)
(!!!!) (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 1958) CV455=ECC81=12AT7 Mullard UK "D" getter NOS 1958 (8.7/8.8ma) 1-2% section balance (Same Gm)(reverb, phase inverter)
(!!!!) (Best Single 1963) PCC88=7DJ8 Philips Miniwatt Holland "O" getter NOS 1963 (14.2/12.0ma)
(!!!!) (Best Single) 5V4G Ken Rad black plates NOS 1945 (60/40 and 60/40)
(!!!!) (Best Single) 6AS7G RCA gray plates NOS 1961 (85ma/123ma)
(!!!!) (Best Single) 6SL7GT Sylvania NOS branded Zenith 1950's tall bottle (2.9/2.9ma) 1-2% section balance
(!!!!) (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma)
(!!!!) (Best Value Pair) 6B4G Raytheon NOS 1940's separate plates, 1 branded Philco (90ma and 91.5ma)
(!!!!) (Best Value Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/good (2.0/2.1ma)
(!!!!) (Good Value Single 1964) PCC88=7DJ8 Philips Miniwatt Holland "O" getter NOS 1964 (10.5/16.2ma)
(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (82ma and 83ma)
(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (86ma and 92ma)
(!!!!) (Recommended Pair 1970's) 417A Western Electric NOS 1973-1977 (27ma and 31.2ma)
