(!!) 45 Tungsol ST-14 like new 1940's (31ma)
$ 129.99
45 Tungsol ST-14 like new 1940's
31ma
Gm=2000
Tested on Amplitrex
Vplate=275V
Vgrid=-54.8V
Good used ma 25-30ma
Good used Gm 1500-1800
Recommended for:
Tektron
Deja Vu
Victor RE-36 1929
DIY
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