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(!!!) (#1 6AN8 PAIR - BEST SOUND) 6AN8 Sylvania black plates coated glass NOS large "D" getter 1954 matched on Amplitrex

$ 25.99

1 pair) 6AN8 Sylvania black plates coated glass NOS large "D" getter halo made in (L4E=1954) and printed in 1955 in white boxes - from factory bulk-pack, same date codes

1 tube) 13.8ma Gm=3900 and 14.2ma Gm=8100

1 tube) 14.0ma Gm=4000 and 14.8ma Gm=7800

Matched on Amplitrex

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

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

See more: vacuum tube
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