tabung 6BM8 ECL82 vacuum tube power tabung

1 tube) 6BM8 NEC JAPAN around 1960 large \O\ getter ring used/good in white box 1 section) 1.9ma Gm=2000triode section gray plate 1 section) 25ma Gm=4600pentode section black plate 1 section triode) Good used Ma = 1.8-2.0ma and Good Gm=2000-2500 1 section pentode) Good used Ma = 25-30ma and Good Gm=5000 Audio Note preamps and DACS (2.1B, 2.1C) Audio Note DAC 3.1 Signature/Modified Audio Note L2 Custom linestage - Response Audio, NY (2008) () Shindo Concertino 300B amp Eastern Electric Minimax Eastern Electric Minimax BBA \Buffer Booster Amplifier nKLH Eight radio 1960-1962