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(!!) 6AN8A RCA gray plates NOS 1970's (single tube) (Highest Ma and Gm)

(!!) 6AN8A RCA gray plates NOS 1970's (single tube) (Highest Ma and Gm)

$ 10.99

1 tube) 6AN8A RCA gray plates NOS 1970's no printing (Highest Ma and Gm for a single tube)

15ma Gm=4300 (triode)

18.2ma Gm=10400 (pentode)

 

  

Tested on Amplitrex

Good Ma/Gm (triode) = 13-15ma and Gm= 3800-4500

Good Ma/Gm (pentode) =  11-12ma Gm=7000-7500

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