(!!!!!) (Best Overall Pair) E188CC=7308 Siemens Halske Germany NOS 1968 (16.8/18.0ma and 16.5/17.4) (very low noise) (phono grade) (rare)
(!!!!!) (Best Single) E188CC=7308 Siemens Halske Germany NOS 1968 (12.6/15.3ma) (very low noise) (mic grade) (rare)
(!!!!) (2nd Best Amperex PQ Single) 6922 Amperex PQ USA NOS 1962 (14.5/16.2ma) (Audio Research, Nova)
(!!!!) (Best 6922 Single) USN-CEP-6922 Amperex USA NOS 1964 pins #7-#8 gently cleaned of oxidation (18.5ma/20.2ma) (Best American Made 6922)
(!!!!) (Best Amperex PQ Single) 6922 Amperex PQ USA NOS 1962 (19.0/18.2ma) (Audio Research, Nova)
(!!!!) (Best Value Single) 6922=E88CC Penta Labs Hungary used/like new 1980 era (13.8/15.8ma)
(!!!!) (Good Single) E88CC=6922 Philips SQ Holland used/tests like new 1968 (13.0/12.6ma) (3D MIDS, low noise) (same Gm)
(!!!!) (microphonic single) 6922=E88CC Siemens Halske Germany gray shield NOS 1965 (A0 Series=1st series) (15.2/15.8ma)
(!!!!) (NICE SINGLE) JAN-6922 Amperex USA like new 1971 (13.4/12.6ma)
(!!!!) (Recommended Pair) 6922 Sylvania NOS 1960's (13.2/14.8ma and 16.0/13.8ma)
(!!!!) (Single) 6922=E88CC Penta Labs Hungary used/good 1980 era (10/15ma)
(!!!) (Best Single) 6922 Amperex PQ USA 1967 NOS (13.6ma/16.8ma)
(!!!) (BEST VALUE SINGLE) 6922=E88CC Tungsram Hungary NOS 1979 (12.2/12.8ma)
(!!!) (BEST VALUE SINGLE) 6922=E88CC Tungsram Hungary NOS 1979 (12.7/15.6ma)
(!!!) (nice single) USN-6922=E88CC Amperex USA gold pins used/like new 1962 (16/12.8ma)
(!!!) (Recommended Single) 6922=E88CC Tesla Czech Republic NOS 1972 (10.8/11.5ma)
(!!!) (slightly microphonic) 6922=E88CC Tesla Czech Republic NOS 1970 (15.0/16.8ma)
(!!!) (slightly microphonic) 6922=E88CC Tesla Czech Republic NOS 1970 (22/21ma)
(!!!) 6922=E88CC Tesla Czech Republic NOS 1967 (12/15.7ma) (mis-matched Gm)
(!!) (Best Value Single) 6922=E88CC Tesla Czech Republic NOS 1970 (10.6/15ma) (RODE)
