(!!) (Best Pair) E90F=6BH6 Amperex Holland NOS 1963 (7.3/7.5ma) (Marantz 8B)
$ 39.99
1 pair) E90F=6BH6 Amperex Holland NOS 1963 (Heerlen plant)
1 tube) 7.3ma Gm=4600
1 tube) 7.5ma Gm=4500
Tested on Amplitrex
Good Ma = 6.5-7.5ma
Good Gm = 4000-4500
(best tube for a Marantz 8B)
See more: vacuum tube
Share:
 (Best Pair) E90F=6BH6 Amperex Holland NOS 1963 (7.3/7.5ma) (Marantz 8B)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_fb8255ba-2466-45cc-9324-4a5d5c88659f.jpg?v=1771870985){kind=link}
 (Best Pair) E90F=6BH6 Amperex Holland NOS 1963 (7.3/7.5ma) (Marantz 8B) "Pin It")