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(!!!!!) (Recommended Pair) 6AN8 Sylvania black plates coated glass NOS large

(!!!!!) (Recommended Pair) 6AN8 Sylvania black plates coated glass NOS large "D" getter 1954 1-2% matched (12/12ma and 19/20.5ma)

$ 54.99

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) 12ma Gm=3500 and 19.0ma Gm=9100

1 tube) 12ma Gm=3500 and 20.5ma Gm=8600

 

Matched on Amplitrex

Good Ma/Gm (triode) = 12-15ma and Gm= 3500-4500

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

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