(!!!) (Best Pair #1) 448A Western Electric tipped top used/like new 1965-1966 (32.6ma 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) 32.6ma Gm=28,700 1 tube) 31.8ma Gm=28,100 Amplitrex Test Data: Vplate=135V Vscreen=135V Vgrid=-2 Good Ma range 20-30ma Good Gm = 23,000 - 27,000 DIY pentode
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$139.98
$99.99
(-$39.99)
$99.99
$119.99
(+$20)