(!!!) (Best Pair #2) 448A Western Electric "tipped top" used/tests like new D getter halo 1965-1966 reboxed (30ma and 31.8ma) (close Gm matching)
$119.99
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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
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$99.99
$119.99
(+$20)