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(!!!) (Recommended Pair) 713A Western Electric by Tungsol NOS 1942-1943 (6.6ma and 6.9ma) (713A = 717A with black base)
(!!!) (Recommended Pair) 713A Western Electric by Tungsol NOS 1942-1943 (6.6ma and 6.9ma) (713A = 717A with black base)
$ 59.99
1 pair) 713A Western Electric by Tungsol NOS 1942-1943
1 tube) 6.6ma Gm=3300
1 tube) 6.9ma Gm=3100 glass bulges out on one side / imperfect glass bulb / odd-shape
- 713A=717A with black bakelite base
- pins cleaned on both tubes
Vplate=100V
Vscreen=100V
Vgrid=-1V
Good Ma 5.5-8ma
Good Gm 3000-4000
- Pentode
most made by Tungsol branded Tungsol or Western Electric by Tungsol
- Yamamoto AO8 amp
See more: vacuum tube
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 (Recommended Pair) 713A Western Electric by Tungsol NOS 1942-1943 (6.6ma and 6.9ma) (713A = 717A with black base)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_ecf285b4-4930-4730-9998-fb9d1d1fb1d3.jpg?v=1705437057){kind=link}
 (Recommended Pair) 713A Western Electric by Tungsol NOS 1942-1943 (6.6ma and 6.9ma) (713A = 717A with black base) "Pin It")