(!) (Pair) 12B4A GE NOS 1960's (37ma and 38.5ma)
$ 21.99
1 platinum pair) 12B4A GE NOS 1960's same build
1 tube) 37ma Gm=7000 HP GE
1 tube) 38.5ma Gm=7250 Admiral GE
- Mapletree Ear+ Purist Headphone amp
- Mapletree Audio Design Ear+ Purist HD 2007
- Ultra-Fi linestage
- Graham Ingle, Black Cat Electronics
- Experience Music DHT
See more: vacuum tube
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 (Pair) 12B4A GE NOS 1960's (37ma and 38.5ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_9de4a869-3237-4a7b-9caf-f0e910d68f0b.jpg?v=1736022917){kind=link}
 (Pair) 12B4A GE NOS 1960's (37ma and 38.5ma) "Pin It")