(!!!!) (Recommended Single) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959 (10.2/10.6ma)

1 low noise tube) 12BH7A Sylvania Hammond gray oval plates "D" getter halo used/like new 1959

10.2ma Gm=3300

10.6ma Gm=3400

 

- 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