(!!) (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970's (12ma and 13ma)
By Tube World
$ 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
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- 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) "Pin It")