(!!) 12BH7A Westinghouse black plates “”U”” getter used/good 1950”s (6.2/7.2ma) Title: 12BH7A Westinghouse black plates “”U”” getter 1950”s

1 low noise tube) 12BH7A Westinghouse black plates “”U”” getter used/good 1950”s – faded printing in white box

1 section) 6.2ma Gm=2100

1 section) 7.2ma Gm=2300

Tested on Amplitrex

– Octave M90 mono amps (
– Quicksilver Audio V4 mono amp
– Quicksilver Triode amp
– Thor
– Doshi Alaap preamp
– Art Audio Diavolo
– Vexo S40 amp
– Art Audio Carissa Signature amp
– Art Audio PX25 amp
– Universal Audio LA2A