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1 pair) 448A Western Electric smooth top used/good 1963-1970 - reboxed
1 tube) 35.0ma Gm=26,000
1 tube) 36.5ma Gm=28,700
Amplitrex Test Data:
Vplate=135V
Vscreen=135V
Vgrid=-2
Good Ma range 20-30ma
Good Gm = 23,000 - 27,000
DIY pentode
Ships within 48 hours · Estimated delivery Jun 26 - Jul 1
US$40
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