(!!!!) (Best Value Single) 12BH7A Sylvania gray oval plates "square=D" getter halo NOS 1950's (7.6/8.8ma)

1 low noise tube) 12BH7A Sylvania gray oval plates "square=D" getter halo NOS 1950's

7.6ma Gm=2600

8.8ma Gm=3000

- detailed and open

recommended for:

- Octave M90 mono amps (http://tubeworldexpress.shop/)
- 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