(!!) 12AT7 Brimar black plates NOS/70-75% 1955 (5.6/5.8ma)
(!!) 12AT7 Brimar England black plates "U" getter used/good 1950's (6.0/6.4ma)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1968 partially faded printing (7.8/10.4ma)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1973 (11.2/17ma) (high Ma and Gm)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1975 (9.6/14.4ma)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1976 (7.6/8.2ma)
(!!) CV4024=12AT7WA=12AT7 Brimar UK NOS square black plates 1962 (8.6/13.6ma)
(!) (BEST SINGLE) 6BA6 Brimar England NOS 1960's (10.8ma)
(!) (BEST SINGLE) CV4009=6BA6W Brimar England NOS 1969 faded printing (11.5ma)
(!) (BEST VALUE PAIR) EL84 Brimar England NOS 1962 (67ma and 66ma) (recommended for FIXED-BIAS amp only due to high current)
(!) (USED PAIR 1950's) 6BA6 RCA black plates used/test like new 1950's (10.6ma and 10.8ma)
(!) 12AU7=ECC82 Brimar tall narrow plates used/good 1960 faded printing (7.8/9.6ma)
(!) 12AU7A=ECC82 GE Brimar ribbed plates used/good 1967 (9.5/9.8ma)
(!) 6DJ8 Brimar England NOS 1960's (13.0/14.3ma)
(!) 6DJ8 Brimar England rebranded IEC Mullard NOS 1966 (11.4/11.6ma)
(slightly microphonic single) 12BH7A Brimar England black ribbed plates NOS 1950's rebranded GE in 1967 (SW) (12.4/14.6ma)
(slightly microphonic tube) 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma)
12AU7=ECC82 Brimar branded Tronix tall narrow plates used/good 1960 (6.4/7.2ma)
5V4G Brimar UK "D" getter halo black plates used/good 1950's (58/40 and 59/40)
