(!!) (#2 6HM5 Japan Pair) 6HA5=6HM5 Hitachi Japan branded RCA NOS 1970”s (12ma and 13ma)

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