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(!!!) (#4 6AN8 PAIR - BEST SOUND) 6AN8 Sylvania black plates coated glass NOS large "D" getter 1954

$ 27.99

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) 13.4ma Gm=3700 and 19.8ma Gm=9100

1 tube) 14.8ma Gm=4100 and 18.5ma Gm=9000

Matched 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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