(!!!!) (BEST PAIR) 417A Western Electric NOS 1980 (42.5ma and 44ma)

1 pair) 417A Western Electric NOS original boxes 1980 boxed in 1981

1 tube) 42.5ma Gm=31,000

1 tube) 44.0ma Gm=31,800

Matched on Amplitrex

Good Ma range NOS 20-30ma

Good Gm range NOS 20,000 - 30,000

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