(!!!!!) (Best Value Single) 6072 GE branded RCA triple mica black plates "O" getter halo 1960 used/good (2.0/2.0ma) (preamp, V1 position in amp)
1 low noise tube) 6072 GE branded RCA triple mica black plates "O" getter halo 1960 used/good in white box
1 section) 2.0ma Gm=1300
1 section) 2.0ma Gm=1300
Tested on Amplitrex
Vplate=250V
Vgrid=-4V
used mA range = 1.8 - 2.5mA
used Gm range = 1300-1600
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