(!) 12BH7A Toshiba rebranded “”Bell and Howell Schools”” like new 1960”s (9/10.4ma) Title: 12BH7A Toshiba branded Bell and Howell

1 low noise tube) 12BH7A Toshiba rebranded “”Bell and Howell Schools”” like new 1960”s in white box

1 section) 10.4ma Gm=2900

1 section) 9.0ma Gm=2700

– 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