(!!) (BEST PAIR #1) 6AX4GTB GE NOS 1967 same build (56/40 and 56/40)
$ 13.99
1 pair) 6AX4GTB GE NOS 1967 same build
1 tube) 56/40 Motorola
1 tube) 56/40 Zenith
Half-Wave Rectifier
See more: vacuum tube
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 (BEST PAIR #1) 6AX4GTB GE NOS 1967 same build (56/40 and 56/40)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_57b1a58a-2dcd-41a3-80e5-d9cb55d9b120.jpg?v=1736358834){kind=link}
 (BEST PAIR #1) 6AX4GTB GE NOS 1967 same build (56/40 and 56/40) "Pin It")