(!!) EF80=6BX6 RTC by EI Yugoslavia NOS 1976 (14ma)
(!) (Best Single) EZ80 Mullard UK like new "D" getter 1961 (64/40 and 66/40)
(!) (Recommended Mullard Pair) EL36 Mullard Blackburn UK NOS 1963 - 1968 (93ma and 87ma)
(!) ECC189=6ES8 Amperex Bugle Boy Holland NOS 1967 (20.2/23ma)
(!) ECC189=6ES8 Amperex Globe Logo Holland NOS 1969 (17.8/17.2ma)
(!) EZ80 GE France like new 1968 (61/40 and 62/40)
(BEST SINGLE) EM84=6FG6 Amperex Bugle Boy NOS 1963
6ES8 Sylvania rebranded International NOS 1960's
EC88 Amperex Bugle Boy Italy NOS 1966 (12.8ma)
EF40 Siemens by Valvo Germany NOS 1956 (3.0ma)
EF80 Siemens Germany 1964 rebranded IEC Mullard 1966 NOS (6.7ma)
EF80=6BX6 Sylvania Made in England unknown maker NOS 1970's (19.5ma)
EF86 Amperex Germany by Valvo used/good 1963 (2.5ma)
EL84 Miniwatt Heerlen Holland NOS 1964 (46.5ma)
EL86=6CW5 Lindal Japan by Toshiba (61.5ma)
EM84=6FGG Toyo Japan like new 1960's
UCC85=26AQ8 Amperex Bugle Boy Holland NOS 1965 (4 in stock)
UY41=31A3 Amperex Bugle Boy France NOS 1964 (0 in stock)