(!!!!!) (Best Mullard Pair) 7308=E188CC Mullard England NOS 1972 (19.2/21ma and 19.8/21ma) 1-2% matched (Highest Ma and Gm)
(!!!!) (Best Value Single) USN-CEP-7308 Amperex USA used/tests like new 1965 (17.2/19.2ma) (High Ma and Gm)
(!!!) (Recommended Pair) 7308=E188CC Mullard/Philips England NOS 1970 same build (13.5/18.5ma and 14.5/16.2ma)
(!!!) (Recommended Single) E188CC=7308 Siemens Halske NOS 1972 (12.4/16.4ma)
(!!) (#1 7308 from 1963) 7308=E188CC Amperex PQ Holland Gold Pins used/very good 1963 (14.8ma/15.6ma)
(!!) (Best Value Single) E188CC=7308 Valvo Holland NOS 1972 (11.0/12.5ma)
(!!) (Good Value) USN-CEP-7308 Amperex USA used/good 1965 (11.2/14.8ma)
(!) (SWEET SINGLE) E188CC=7308 Holland NOS 1966 rebranded IEC MULLARD (11.6/13ma)
(!) 7308 Philips Miniwatt SQ Holland used 1966 (9.8/12.2ma)
(!) 7308 Philips SQ Holland NOS 1965 faded printing in white box (13.4/19.4ma)
7308 Amperex PQ USA "D" getter used/70% 1960 (VR0 series=1st series) (9.2/9.5ma)
