(!!!!) (Best Pair) EZ80 Amperex Bugle Boy France NOS 1961 (62/40 and 62/40 x 2 tubes)
(!!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (64-64/40 x 2 tubes) 1% matched
(!!!) (Recommended Single) EZ80 Mullard France NOS "O" getter halo 1970 (62/40 and 64/40)
(!!!) (Recommended Single) EZ80 Mullard France NOS "O" getter halo 1970 (64/40 and 65/40)
(!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (63-64/40 x 2 tubes) 1% matched
(!) (Best Single) EZ80 Mullard UK like new "D" getter 1959 (64/40 and 64/40)
(!) (BEST VALUE PAIR) 6V4=EZ80 Haltron by Tungsram Hungary NOS 1960's (58-60/40 and 59-60/40) 1-2% section balance
(!) EZ80 Amperex Bugle Boy France like new 1964 (61/40 and 62/40)
(!) EZ80 GE France like new 1968 (61/40 and 62/40)
(!) EZ80 Sencore Brimar UK "D" getter used/good 1962 (52/40 and 62/40)
(!) EZ80=6V4 Telefunken Germany <> bottom used/good 1960's (60/40 and 61/40)
