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1 pair) 448A Western Electric tipped top used/good 1965 same date codes
1 tube) 27.5ma Gm=26,700
1 tube) 26.0ma Gm=26,500
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 27 - Jul 2
US$40
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