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1 pair) 448A WE "tipped top" used/tests like new D getter halo 1965-1966 reboxed
1 tube) 30.0ma Gm=26,800 1965
1 tube) 31.8ma Gm=26.600 1966
Amplitrex Test Data:
Vplate=135V
Vscreen=135V
Vgrid=-2.5V
Good Ma range 18-25ma
Good Gm = 25,000
DIY pentode
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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