(!!!!) (Best Value Single) 6922=E88CC Penta Labs Hungary used/like new 1980 era (13.8/15.8ma)
(!!!!) (microphonic single) 6922=E88CC Siemens Halske Germany gray shield NOS 1965 (A0 Series=1st series) (15.2/15.8ma)
(!!!!) (Single) 6922=E88CC Penta Labs Hungary used/good 1980 era (10/15ma)
(!!!) (Recommended Pair) ECC85=6AQ8 RCA Heerlen Holland NOS 1968 (21/16.5ma and 18.5/15.5ma) (close Gm)
