(!!!!!) (Best Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 tests like new (2.7/2.7ma) (1-2% section balance)
1 low noise tube) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 tests like new in white box faded printing
2.7ma Gm=1400
2.7ma Gm=1500
Matched on Amplitrex
Vplate=250V
Vgrid=-4V
Good used mA range = 2 - 2.5ma
Good used Gm range = 1300-1500
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