6SQ7GT Sylvania used/good 1951 (Gm=800)
$ 4.49
6SQ7GT Sylvania used/good 1951 (27/19) on TV-7
.5ma
Gm=900
Tested on Amplitrex
Vplate=250V
Vgrid=-2V
Good used Ma = .5-.8ma
Good used Gm = 800-900
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