(!) 6550 Tungsol branded RCA used/tests like new 1974 (134.5ma)
$ 188.88
6550 Tungsol branded RCA used/tests like new 1974
134.5ma
Gm = 10,750
Tested on Amplitrex
Good used Ma range 110-130
Good used Gm range 10,000
See more: vacuum tube
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 6550 Tungsol branded RCA used/tests like new 1974 (134.5ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/6_2e888471-0a76-4c41-85dc-6fe90c3dd877.jpg?v=1794298012){kind=link}
 6550 Tungsol branded RCA used/tests like new 1974 (134.5ma) "Pin It")