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(!!!) (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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