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(!!!!!) (Best Overall Pair) EL34 Mullard UK XF1 NOS 1959-1961 double "O-O" getter halos (83ma and 80ma) (1st version after metal base) (very rare)
(!!!!!) (Best Overall Pair) EL34 Mullard UK XF1 NOS 1959-1961 double "O-O" getter halos (83ma and 80ma) (1st version after metal base) (very rare)
$ 729.99
1 pair) EL34 Mullard UK XF1 NOS brown bases and double "O-O" getter halos - good printing on both tubes - boxes in nice condition
1 tube) 83ma Gm=11,350 (XF1-B9C=1959) light brown base
1 tube) 80ma Gm=11,150 (XF1-B1F1=1961) dark brown base
Tested on Amplitrex
Good NOS range 70-90ma
Good Gm = 10,000 - 12,000
Recommended for
- Diezel Stereo Guitar Amplifier
- CARR amplifiers
- Marantz 2
- Manley Snapper
See more: vacuum tube
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 (Best Overall Pair) EL34 Mullard UK XF1 NOS 1959-1961 double "O-O" getter halos (83ma and 80ma) (1st version after metal base) (very rare)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_3703136a-a2d3-4741-8568-b3393e8fe8dd.jpg?v=1757978663){kind=link}
 (Best Overall Pair) EL34 Mullard UK XF1 NOS 1959-1961 double "O-O" getter halos (83ma and 80ma) (1st version after metal base) (very rare) "Pin It")