(!!!) (Recommended Pair) 717A=VT-269 Tungsol used/test like new 1940's (7.7ma and 8.2ma)
By Tube World
$ 54.99
1 Matched Pair) 717A=VT-269 Tungsol used/test like new 1940's
1 tube) 8.2ma Gm=3900 (717A)
1 tube) 7.7ma Gm=4100 (JAN-CTL-717A=VT-269)
Good Ma range 6-8ma
Good Gm range 3500-4000
Vplate=100V
Vscreen=100V
Vgrid=-1V
Recommended for
Yamamoto A08 amp
DIY
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