(!!!) (Recommended Single) 12AX7=ECC83 Mullard UK old logo copper grid posts used/good 1963 (.9/1.0ma and Gm=1500/1500)
(!!!) (Recommended Single) 6EU7 Mullard UK branded EICO used/like new 1963 (45/32 and 49/32)
(!!!) (Recommended Single) CV378=GZ37 Mullard NOS "O" getter halo 1967 (50/40 and 50/40)
(!!!) (Recommended Single) CV5358=6DJ8 Mullard UK used/good 1969 some stains on glass (17.2/17.8ma) (High Ma and Gm)
(!!!) (Recommended Single) ECC83=12AX7 Mullard Webcor ribbed plates used/good 1962 (161 series) in white box (1.0/0.7ma and Gm=1600/1400)
(!!!) (Recommended Single) EF94=6AU6 IEC Mullard England NOS 1963 (5.5ma)
(!!!) (Recommended Single) EF94=6AU6 Mullard England NOS 1963 (6.5ma)
(!!!) (Recommended Single) EF94=6AU6 Tungsol used/tests like new 1957 (10ma)
(!!!) (Single) 6100=CV4058=6C4 Mullard box plate NOS 1973 (9ma)
(!!!) (Single) CV4003=M8136=12AU7 Mullard branded Philips NOS 1975 (8.8/8.2ma)
(!!!) (single) ECC81=12AT7 Philips Miniwatt by Mullard UK like new "o" getter 1957 (8.2/7.6ma) (Mitcham plant)
(!!!) (Single) ECL82=6BM8 Mullard UK branded Dumont NOS 1966 (2.2/31ma)
(!!!) (Single) EL86=6CW5 Amperex Bugle Boy Holland NOS 1966 (57ma)
(!!!) (SINGLE) JR-6CW5=EL86 Philips Mullard UK 1972 (81ma)
(!!!) (slightly microphonic) ECC81=12AT7 Miniwatt by Mullard NOS 1970 (9.6/10.6ma)
(!!!) 12AU7WA Mullard branded Chelmer Valve used/good 1961 (7.7/8.8ma)
(!!!) 12AX7=ECC83 Mullard UK "long plates" with "D" getter used/50-60% (0.6/0.7ma Gm=900/1000 - low Gm) (mC1 series)
(!!) (Best Brimar Single) CV4024=12AT7WA=12AT7 Brimar UK NOS square black plates 1967 (10.2/11.4ma)
(!!) (Best Overall Single) 7247=12DW7 GE branded RCA NOS pinched plates 1970 (1.2ma and 14.5ma) (Highest Ma and Gm)
(!!) (Best Overall Single) 7247=12DW7 GE NOS 1970 (1.3ma and 13.6ma) (Highest Ma and Gm)
