6240G Luxman by NEC Japan NOS 1960's (6.3/7.4ma)
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1 tube) 6240G NEC Japan NOS in white box 1960's
1 section) 7.4ma Gm=3100
1 section) 6.3ma Gm=2900
Vplate=250V
Vgrid=-5V
Good Ma range 6-7ma
Good Gm = 3000
dual-triode
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