6SQ7GT Fonoco by Sylvania used/strong 1951 (1.1ma and Gm=1100)
$ 5.79
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6SQ7GT Fonoco by Sylvania used/strong 1951
1.1ma
Gm=1100
NOS Ma = 1ma
NOS Gm = 1000
Tested on Amplitrex
Vplate=250V
Vgrid=-2V
Good used Ma = .5-.8ma
Good used Gm = 800-900
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