10=VT-25 Sylvania branded Tungsol like new 1940's (26.2ma)
$ 79.99
10=VT-25 Sylvania branded Tungsol like new 1940's in white box
26.2ma
Gm=2100
Good Ma range 20-30ma
Good Gm = 1700-2000
Vplate=300V
Vgrid=-15V
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