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(!!) (#1 717A Tungsol Pair) 717A=VT-269 Tungsol NOS 1942-1944 (9.1ma and 9.4ma) closely matched

$ 48.88

1 Matched Pair) 717A=VT-269 Western Electric by Tungsol NOS 1943-1944 original boxes

1 tube) 9.1ma Gm=4400 printing on top and side

1 tube) 9.4ma Gm=4300 printing on top

 

Good Ma range 6.5-8ma

Good Gm range 3500-4000

 

Vplate=100V

Vscreen=100V

Vgrid=-1V

 

Recommended for

Yamamoto A08 amp

DIY

See more: vacuum tube
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