(!!!!!) (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade)
1 low noise tube) 6072 GE 5 star triple mica black plates "O" getter halo 1960's -
2 very small cracks / small defects on top of glass - does not effect performance of tube
1 section) 2.4ma Gm=1600
1 section) 2.7ma Gm=1600
Tested on Amplitrex
Vplate=250V
Vgrid=-4V
Good Ma range = 2 - 3ma
Good Gm range = 1500-1700
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 (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_a474708a-a53d-48a5-a847-05268b0f3768.jpg?v=1762445162){kind=link}
 (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade) "Pin It")