(!!!) (Best Single 1956) 12BH7A GE gray oval plates NOS “”U”” getter 1956 (10/9.8ma) Title: 12BH7A GE

1 low noise tube) 12BH7A gray oval plates NOS “”U”” getter 1956

1 section) 10ma Gm=2800

1 section) 9.8ma Gm=2700

smooth sound, good detail and low noise

Tested on Amplitrex

Good Ma range 8-12ma

Good Gm range 2800-3000

recommended for:

– 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