(!!) (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma)
$ 13.99
1 matched pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's
1 tube) 12ma Gm=14,600
1 tube) 13ma Gm=16,000
Good Ma range 10-12ma
Good Gm range 12-14,000
- Wright Sound Model 11 preamp (phono stage)
- Fisher 500C
- Milbert TC-4R Crossover
See more: vacuum tube
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 (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/6hm5p1_ba914110-6a47-4947-be92-3e2ebd8ad9f0.jpg?v=1571439240){kind=link}
 (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma) "Pin It")