(!) (Pair) 404A Western Electric used/good 1963-1966 (17.0ma and 17.2ma)
$ 44.99
1 matched pair) 404A Western Electric used/good
1 tube) 17.2ma Gm=12,000 (1963)
1 tube) 17.0ma Gm=11,600 (1966)
Tested on Amplitrex
Vplate=150V
Vscreen=150V
Vgrid=-1.5V
Good like new Ma range 18-20ma
Good used Gm range 12,000 - 13,000
See more: vacuum tube
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 (Pair) 404A Western Electric used/good 1963-1966 (17.0ma and 17.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_ab60b1de-d991-4ccc-aac4-89bba95d6c77.jpg?v=1679893877){kind=link}
 (Pair) 404A Western Electric used/good 1963-1966 (17.0ma and 17.2ma) "Pin It")