EF11 Telefunken Germany used/very good 1949 (5.6ma) (tested on Amplitrex)
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EF11 Telefunken Germany used/very good 1949 (B.vk.00) B=Berlin plant, vk=1949
5.6mA
Gm=2000
Tested on Amplitrex
Vplate=250V
Vscreen=100V
Vgrid=-2V
NOS Ma range = 5.5-6mA
NOS Ma range 2000-2200
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 (tested on Amplitrex) "Pin It")