(!!!!!) (Recommended Pair) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new (3.0/2.7ma and 3.0/2.8ma) 1-2% matched (Audio Note, Kondo, Korby, Lawson)
By Tube World
1 low noise pair) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new from bulk pack in white boxes
1 tube) 3.0/2.7ma Gm=1700/1700
1 tube) 3.0/2.8ma Gm=1700/1700
Tested on Amplitrex
Vplate=250V
Vgrid=-4V
Good Ma range = 2 - 3ma
Good Gm range = 1500-1700
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 (Recommended Pair) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new (3.0/2.7ma and 3.0/2.8ma) 1-2% matched (Audio Note, Kondo, Korby, Lawson)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_6fdb71e6-efd3-4850-9de1-cfb6133dc2b0.jpg?v=1697342578){kind=link}
 (Recommended Pair) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new (3.0/2.7ma and 3.0/2.8ma) 1-2% matched (Audio Note, Kondo, Korby, Lawson) "Pin It")