(!!!!!) (Best Single) EL34 Mullard UK branded CMI XF2 single halo "O" NOS 1969 (96.7ma)
(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF2 double halo "O-O" NOS 1963 (108ma)
(!!!!!) (Best Single) EL34 Mullard UK XF2 single halo "O" NOS 1973 (85ma)
(!!!!!) (Best Value Single) EL34 Mullard UK branded Pinnacle XF2 double halo "O-O" NOS 1965 (67ma)
(!!!!!) (Recommended Pair) EL34 Philips Mullard XF2 single halo "O" NOS and like new 1969-1973 (90.8ma and 95ma) (can make a quad with another XF2 pair)
(!!!!) (Best Value XF2 Pair) EL34 Mullard XF2 NOS (1) double halo "O-O" (1) single halo "O" 1966 and 1970 (75ma and 78ma)
(!!!!) EL34 Mullard XF2 double halo "O-O" used/good 1963 a few heat stains on plate (72ma)
(!!!) (Best Value XF2) EL34 Mullard branded GE XF2 double halo "O-O" 1966 guide pin broke off (102.5ma)
(!!!) EL34 Mullard Philips Miniwatt XF2 double halo "O-O" NOS 1962 (85.5ma)
(Best Value Pair) EL34 Mullard UK used/good XF2 single halo 1971 (74ma and 78ma)